diff --git a/code_samples/plugin_sample/META-INF/plugin.xml b/code_samples/plugin_sample/META-INF/plugin.xml
index e8274ac02..96ef64d6c 100644
--- a/code_samples/plugin_sample/META-INF/plugin.xml
+++ b/code_samples/plugin_sample/META-INF/plugin.xml
@@ -29,15 +29,15 @@
     <idea-version since-build="139.000" until-build="999"/>
 
     <!-- Resource bundle from which the text of plugin descriptions, action names and etc. will be loaded -->
-    <resource-bundle>org.jetbrains.plugins.sample.PluginSampleBundle</resource-bundle>
+    <resource-bundle>org.jetbrains.tutorials.sample.PluginSampleBundle</resource-bundle>
 
     <!-- Plugin's application components -->
     <application-components>
         <component>
             <!-- Component's interface class -->
-            <interface-class>org.jetbrains.plugins.sample.DummyApplicationComponent</interface-class>
+            <interface-class>org.jetbrains.tutorials.sample.DummyApplicationComponent</interface-class>
             <!-- Component's implementation class -->
-            <implementation-class>org.jetbrains.plugins.sample.DummyApplicationComponentImpl</implementation-class>
+            <implementation-class>org.jetbrains.tutorials.sample.DummyApplicationComponentImpl</implementation-class>
         </component>
     </application-components>
 
@@ -45,8 +45,8 @@
     <project-components>
         <component>
             <!-- Interface and implementation classes are the same -->
-            <interface-class>org.jetbrains.plugins.sample.DummyProjectComponent</interface-class>
-            <implementation-class>org.jetbrains.plugins.sample.DummyProjectComponentImpl</implementation-class>
+            <interface-class>org.jetbrains.tutorials.sample.DummyProjectComponent</interface-class>
+            <implementation-class>org.jetbrains.tutorials.sample.DummyProjectComponentImpl</implementation-class>
             <!-- If the "workspace" option is set "true", the component saves its state to the .iws file
               instead of the .ipr file.  Note that the <option> element is used only if the component implements the JDOMExternalizable interface. Otherwise, the use of the <option> element takes no effect.-->
 
@@ -59,8 +59,8 @@
     <!-- Plugin's module components -->
     <module-components>
         <component>
-            <interface-class>org.jetbrains.plugins.sample.DummyModuleComponent</interface-class>
-            <implementation-class>org.jetbrains.plugins.sample.DummyModuleComponentImpl</implementation-class>
+            <interface-class>org.jetbrains.tutorials.sample.DummyModuleComponent</interface-class>
+            <implementation-class>org.jetbrains.tutorials.sample.DummyModuleComponentImpl</implementation-class>
         </component>
     </module-components>
 
@@ -73,7 +73,7 @@
         The optional "use-shortcut-of" attribute specifies the ID of the action whose keyboard shortcut this action will use.
         The optional "description" attribute specifies the text which is displayed in the status bar when the action is focused.
         The optional "icon" attribute specifies the icon which is displayed on the toolbar button or next to the menu item. -->
-        <action id="PluginSample.DummyAction" class="org.jetbrains.plugins.sample.actions.SimpleAction" text="Dummy Action"
+        <action id="PluginSample.DummyAction" class="org.jetbrains.tutorials.sample.actions.SimpleAction" text="Dummy Action"
                 description="Illustrates how to plug an action in">
             <!-- The <keyboard-shortcut> node specifies the keyboard shortcut for the action. An action can have several keyboard shortcuts.
             The mandatory "first-keystroke" attribute specifies the first keystroke of the action. The key strokes are specified according to the regular Swing rules.
@@ -107,12 +107,12 @@
                   The optional "popup" attribute specifies how the group is presented in the menu. If a group has popup="true", actions in it
                   are placed in a submenu; for popup="false", actions are displayed as a section of the same menu delimited by separators. -->
         <group id="DummyDefaultActionGroup" text="Default action group">
-            <action class="org.jetbrains.plugins.sample.actions.GroupedToDefaultAction" id="PluginSample.GroupedToDefaultAction"/>
+            <action class="org.jetbrains.tutorials.sample.actions.GroupedToDefaultAction" id="PluginSample.GroupedToDefaultAction"/>
         </group>
-        <group class="org.jetbrains.plugins.sample.actions.DummyActionGroup" id="DummyActionGroup" text="Action Group"
+        <group class="org.jetbrains.tutorials.sample.actions.DummyActionGroup" id="DummyActionGroup" text="Action Group"
                description="Illustration of an action group"
                icon="icons/testgroup.png" popup="true">
-            <action id="PluginSample.GroupedAction" class="org.jetbrains.plugins.sample.actions.GroupedAction"
+            <action id="PluginSample.GroupedAction" class="org.jetbrains.tutorials.sample.actions.GroupedAction"
                     text="Grouped Action" description="An action in the group"/>
             <!-- The <separator> element defines a separator between actions. It can also have an <add-to-group> child element. -->
             <separator/>
diff --git a/code_samples/plugin_sample/resources/org.jetbrains.plugins.sample/PluginSampleBundle.properties b/code_samples/plugin_sample/resources/org/jetbrains/tutorials/sample/PluginSampleBundle.properties
similarity index 100%
rename from code_samples/plugin_sample/resources/org.jetbrains.plugins.sample/PluginSampleBundle.properties
rename to code_samples/plugin_sample/resources/org/jetbrains/tutorials/sample/PluginSampleBundle.properties
diff --git a/code_samples/plugin_sample/src/org/jetbrains/plugins/sample/DummyApplicationComponent.java b/code_samples/plugin_sample/src/org/jetbrains/tutorials/sample/DummyApplicationComponent.java
similarity index 80%
rename from code_samples/plugin_sample/src/org/jetbrains/plugins/sample/DummyApplicationComponent.java
rename to code_samples/plugin_sample/src/org/jetbrains/tutorials/sample/DummyApplicationComponent.java
index 6b112948d..9dc24acde 100644
--- a/code_samples/plugin_sample/src/org/jetbrains/plugins/sample/DummyApplicationComponent.java
+++ b/code_samples/plugin_sample/src/org/jetbrains/tutorials/sample/DummyApplicationComponent.java
@@ -1,4 +1,4 @@
-package org.jetbrains.plugins.sample;
+package org.jetbrains.tutorials.sample;
 
 import com.intellij.openapi.components.ApplicationComponent;
 
diff --git a/code_samples/plugin_sample/src/org/jetbrains/plugins/sample/DummyApplicationComponentImpl.java b/code_samples/plugin_sample/src/org/jetbrains/tutorials/sample/DummyApplicationComponentImpl.java
similarity index 90%
rename from code_samples/plugin_sample/src/org/jetbrains/plugins/sample/DummyApplicationComponentImpl.java
rename to code_samples/plugin_sample/src/org/jetbrains/tutorials/sample/DummyApplicationComponentImpl.java
index 66b484c8d..2f4f7330b 100644
--- a/code_samples/plugin_sample/src/org/jetbrains/plugins/sample/DummyApplicationComponentImpl.java
+++ b/code_samples/plugin_sample/src/org/jetbrains/tutorials/sample/DummyApplicationComponentImpl.java
@@ -1,4 +1,4 @@
-package org.jetbrains.plugins.sample;
+package org.jetbrains.tutorials.sample;
 
 import org.jetbrains.annotations.NotNull;
 
diff --git a/code_samples/plugin_sample/src/org/jetbrains/plugins/sample/DummyModuleComponent.java b/code_samples/plugin_sample/src/org/jetbrains/tutorials/sample/DummyModuleComponent.java
similarity index 79%
rename from code_samples/plugin_sample/src/org/jetbrains/plugins/sample/DummyModuleComponent.java
rename to code_samples/plugin_sample/src/org/jetbrains/tutorials/sample/DummyModuleComponent.java
index 68f1e9fbe..ae065c9c4 100644
--- a/code_samples/plugin_sample/src/org/jetbrains/plugins/sample/DummyModuleComponent.java
+++ b/code_samples/plugin_sample/src/org/jetbrains/tutorials/sample/DummyModuleComponent.java
@@ -1,4 +1,4 @@
-package org.jetbrains.plugins.sample;
+package org.jetbrains.tutorials.sample;
 
 import com.intellij.openapi.module.ModuleComponent;
 
diff --git a/code_samples/plugin_sample/src/org/jetbrains/plugins/sample/DummyModuleComponentImpl.java b/code_samples/plugin_sample/src/org/jetbrains/tutorials/sample/DummyModuleComponentImpl.java
similarity index 93%
rename from code_samples/plugin_sample/src/org/jetbrains/plugins/sample/DummyModuleComponentImpl.java
rename to code_samples/plugin_sample/src/org/jetbrains/tutorials/sample/DummyModuleComponentImpl.java
index f0b601e9a..22231fd71 100644
--- a/code_samples/plugin_sample/src/org/jetbrains/plugins/sample/DummyModuleComponentImpl.java
+++ b/code_samples/plugin_sample/src/org/jetbrains/tutorials/sample/DummyModuleComponentImpl.java
@@ -1,4 +1,4 @@
-package org.jetbrains.plugins.sample;
+package org.jetbrains.tutorials.sample;
 
 import org.jetbrains.annotations.NotNull;
 
diff --git a/code_samples/plugin_sample/src/org/jetbrains/plugins/sample/DummyProjectComponent.java b/code_samples/plugin_sample/src/org/jetbrains/tutorials/sample/DummyProjectComponent.java
similarity index 80%
rename from code_samples/plugin_sample/src/org/jetbrains/plugins/sample/DummyProjectComponent.java
rename to code_samples/plugin_sample/src/org/jetbrains/tutorials/sample/DummyProjectComponent.java
index fba925eeb..b49347acd 100644
--- a/code_samples/plugin_sample/src/org/jetbrains/plugins/sample/DummyProjectComponent.java
+++ b/code_samples/plugin_sample/src/org/jetbrains/tutorials/sample/DummyProjectComponent.java
@@ -1,4 +1,4 @@
-package org.jetbrains.plugins.sample;
+package org.jetbrains.tutorials.sample;
 
 import com.intellij.openapi.components.ProjectComponent;
 
diff --git a/code_samples/plugin_sample/src/org/jetbrains/plugins/sample/DummyProjectComponentImpl.java b/code_samples/plugin_sample/src/org/jetbrains/tutorials/sample/DummyProjectComponentImpl.java
similarity index 92%
rename from code_samples/plugin_sample/src/org/jetbrains/plugins/sample/DummyProjectComponentImpl.java
rename to code_samples/plugin_sample/src/org/jetbrains/tutorials/sample/DummyProjectComponentImpl.java
index 84f7f2272..fac9b6bd0 100644
--- a/code_samples/plugin_sample/src/org/jetbrains/plugins/sample/DummyProjectComponentImpl.java
+++ b/code_samples/plugin_sample/src/org/jetbrains/tutorials/sample/DummyProjectComponentImpl.java
@@ -1,4 +1,4 @@
-package org.jetbrains.plugins.sample;
+package org.jetbrains.tutorials.sample;
 
 import org.jetbrains.annotations.NotNull;
 
diff --git a/code_samples/plugin_sample/src/org/jetbrains/plugins/sample/actions/DummyActionGroup.java b/code_samples/plugin_sample/src/org/jetbrains/tutorials/sample/actions/DummyActionGroup.java
similarity index 89%
rename from code_samples/plugin_sample/src/org/jetbrains/plugins/sample/actions/DummyActionGroup.java
rename to code_samples/plugin_sample/src/org/jetbrains/tutorials/sample/actions/DummyActionGroup.java
index 920e178df..f55cfa613 100644
--- a/code_samples/plugin_sample/src/org/jetbrains/plugins/sample/actions/DummyActionGroup.java
+++ b/code_samples/plugin_sample/src/org/jetbrains/tutorials/sample/actions/DummyActionGroup.java
@@ -1,4 +1,4 @@
-package org.jetbrains.plugins.sample.actions;
+package org.jetbrains.tutorials.sample.actions;
 
 import com.intellij.openapi.actionSystem.ActionGroup;
 import com.intellij.openapi.actionSystem.AnAction;
diff --git a/code_samples/plugin_sample/src/org/jetbrains/plugins/sample/actions/GroupedAction.java b/code_samples/plugin_sample/src/org/jetbrains/tutorials/sample/actions/GroupedAction.java
similarity index 87%
rename from code_samples/plugin_sample/src/org/jetbrains/plugins/sample/actions/GroupedAction.java
rename to code_samples/plugin_sample/src/org/jetbrains/tutorials/sample/actions/GroupedAction.java
index 5babf596b..7e665e74d 100644
--- a/code_samples/plugin_sample/src/org/jetbrains/plugins/sample/actions/GroupedAction.java
+++ b/code_samples/plugin_sample/src/org/jetbrains/tutorials/sample/actions/GroupedAction.java
@@ -1,4 +1,4 @@
-package org.jetbrains.plugins.sample.actions;
+package org.jetbrains.tutorials.sample.actions;
 
 import com.intellij.openapi.actionSystem.AnAction;
 import com.intellij.openapi.actionSystem.AnActionEvent;
diff --git a/code_samples/plugin_sample/src/org/jetbrains/plugins/sample/actions/GroupedToDefaultAction.java b/code_samples/plugin_sample/src/org/jetbrains/tutorials/sample/actions/GroupedToDefaultAction.java
similarity index 87%
rename from code_samples/plugin_sample/src/org/jetbrains/plugins/sample/actions/GroupedToDefaultAction.java
rename to code_samples/plugin_sample/src/org/jetbrains/tutorials/sample/actions/GroupedToDefaultAction.java
index f7f2b1acb..7f99e2f10 100644
--- a/code_samples/plugin_sample/src/org/jetbrains/plugins/sample/actions/GroupedToDefaultAction.java
+++ b/code_samples/plugin_sample/src/org/jetbrains/tutorials/sample/actions/GroupedToDefaultAction.java
@@ -1,4 +1,4 @@
-package org.jetbrains.plugins.sample.actions;
+package org.jetbrains.tutorials.sample.actions;
 
 import com.intellij.openapi.actionSystem.AnAction;
 import com.intellij.openapi.actionSystem.AnActionEvent;
diff --git a/code_samples/plugin_sample/src/org/jetbrains/plugins/sample/actions/SimpleAction.java b/code_samples/plugin_sample/src/org/jetbrains/tutorials/sample/actions/SimpleAction.java
similarity index 93%
rename from code_samples/plugin_sample/src/org/jetbrains/plugins/sample/actions/SimpleAction.java
rename to code_samples/plugin_sample/src/org/jetbrains/tutorials/sample/actions/SimpleAction.java
index 545c0d013..6484c780c 100644
--- a/code_samples/plugin_sample/src/org/jetbrains/plugins/sample/actions/SimpleAction.java
+++ b/code_samples/plugin_sample/src/org/jetbrains/tutorials/sample/actions/SimpleAction.java
@@ -1,4 +1,4 @@
-package org.jetbrains.plugins.sample.actions;
+package org.jetbrains.tutorials.sample.actions;
 
 import com.intellij.openapi.actionSystem.AnAction;
 import com.intellij.openapi.actionSystem.AnActionEvent;
diff --git a/code_samples/project_view_pane/META-INF/plugin.xml b/code_samples/project_view_pane/META-INF/plugin.xml
index 9121c0ff1..ad58f7588 100644
--- a/code_samples/project_view_pane/META-INF/plugin.xml
+++ b/code_samples/project_view_pane/META-INF/plugin.xml
@@ -13,7 +13,7 @@
     <depends>com.intellij.modules.lang</depends>
 
     <extensions defaultExtensionNs="com.intellij">
-        <projectViewPane implementation="org.jetbrains.plugins.sample.pane.ImagesProjectViewPane"/>
+        <projectViewPane implementation="org.jetbrains.tutorials.sample.pane.ImagesProjectViewPane"/>
     </extensions>
 
     <application-components>
diff --git a/code_samples/project_view_pane/src/org/jetbrains/plugins/sample/pane/ImagesProjectNode.java b/code_samples/project_view_pane/src/org/jetbrains/tutorials/sample/pane/ImagesProjectNode.java
similarity index 99%
rename from code_samples/project_view_pane/src/org/jetbrains/plugins/sample/pane/ImagesProjectNode.java
rename to code_samples/project_view_pane/src/org/jetbrains/tutorials/sample/pane/ImagesProjectNode.java
index 43ea9f838..a49e4ffba 100644
--- a/code_samples/project_view_pane/src/org/jetbrains/plugins/sample/pane/ImagesProjectNode.java
+++ b/code_samples/project_view_pane/src/org/jetbrains/tutorials/sample/pane/ImagesProjectNode.java
@@ -1,4 +1,4 @@
-package org.jetbrains.plugins.sample.pane;
+package org.jetbrains.tutorials.sample.pane;
 
 import com.intellij.icons.AllIcons;
 import com.intellij.ide.projectView.PresentationData;
diff --git a/code_samples/project_view_pane/src/org/jetbrains/plugins/sample/pane/ImagesProjectViewPane.java b/code_samples/project_view_pane/src/org/jetbrains/tutorials/sample/pane/ImagesProjectViewPane.java
similarity index 98%
rename from code_samples/project_view_pane/src/org/jetbrains/plugins/sample/pane/ImagesProjectViewPane.java
rename to code_samples/project_view_pane/src/org/jetbrains/tutorials/sample/pane/ImagesProjectViewPane.java
index 7d5d902ed..0a47d08aa 100644
--- a/code_samples/project_view_pane/src/org/jetbrains/plugins/sample/pane/ImagesProjectViewPane.java
+++ b/code_samples/project_view_pane/src/org/jetbrains/tutorials/sample/pane/ImagesProjectViewPane.java
@@ -1,4 +1,4 @@
-package org.jetbrains.plugins.sample.pane;
+package org.jetbrains.tutorials.sample.pane;
 
 import com.intellij.icons.AllIcons;
 import com.intellij.ide.SelectInTarget;
diff --git a/code_samples/tree_structure_provider/META-INF/plugin.xml b/code_samples/tree_structure_provider/META-INF/plugin.xml
index cd4c1f7e3..6d686c6f5 100644
--- a/code_samples/tree_structure_provider/META-INF/plugin.xml
+++ b/code_samples/tree_structure_provider/META-INF/plugin.xml
@@ -13,7 +13,7 @@
   <depends>com.intellij.modules.lang</depends>
 
   <extensions defaultExtensionNs="com.intellij">
-    <treeStructureProvider implementation="org.jetbrains.plugins.sample.tree.TextOnlyTreeStructureProvider"/>
+    <treeStructureProvider implementation="org.jetbrains.tutorials.sample.tree.TextOnlyTreeStructureProvider"/>
   </extensions>
 
   <application-components>
diff --git a/code_samples/tree_structure_provider/scr/org/jetbrains/plugins/sample/tree/TextOnlyTreeStructureProvider.java b/code_samples/tree_structure_provider/scr/org/jetbrains/tutorials/sample/tree/TextOnlyTreeStructureProvider.java
similarity index 96%
rename from code_samples/tree_structure_provider/scr/org/jetbrains/plugins/sample/tree/TextOnlyTreeStructureProvider.java
rename to code_samples/tree_structure_provider/scr/org/jetbrains/tutorials/sample/tree/TextOnlyTreeStructureProvider.java
index d97f975c8..1a387174b 100644
--- a/code_samples/tree_structure_provider/scr/org/jetbrains/plugins/sample/tree/TextOnlyTreeStructureProvider.java
+++ b/code_samples/tree_structure_provider/scr/org/jetbrains/tutorials/sample/tree/TextOnlyTreeStructureProvider.java
@@ -1,4 +1,4 @@
-package org.jetbrains.plugins.sample.tree;
+package org.jetbrains.tutorials.sample.tree;
 
 import com.intellij.ide.projectView.TreeStructureProvider;
 import com.intellij.ide.projectView.ViewSettings;
diff --git a/tutorials/action_system.md b/tutorials/action_system.md
index 25092219d..3c91e4b99 100644
--- a/tutorials/action_system.md
+++ b/tutorials/action_system.md
@@ -24,7 +24,7 @@ To register an action as a menu item, an <action> attribute should be added to t
     The optional "description" attribute specifies the text which is displayed in the status bar when the action is focused.
     The optional "icon" attribute specifies the icon which is displayed on the toolbar button or next to the menu item. -->
 
-    <action id="PluginSample.DummyAction" class="org.jetbrains.plugins.sample.actions.SimpleAction" text="Dummy Action" description="Illustrates how to plug an action in">
+    <action id="PluginSample.DummyAction" class="SimpleAction" text="Dummy Action" description="Illustrates how to plug an action in">
 
       <!-- The <keyboard-shortcut> node specifies the keyboard shortcut for the action. An action can have several keyboard shortcuts.
       The mandatory "first-keystroke" attribute specifies the first keystroke of the action. The key strokes are specified according to the regular Swing rules.
@@ -107,7 +107,7 @@ file. In most of the cases you simply need to leave "class" attribute of the <gr
 will be created and filled with actions defined within it.
 
     <group id="DummyDefaultActionGroup" text="Default action group">
-        <action class="org.jetbrains.plugins.sample.actions.GroupedToDefaultAction" id="PluginSample.GroupedToDefaultAction"/>
+        <action class="GroupedToDefaultAction" id="PluginSample.GroupedToDefaultAction"/>
     </group>
 See
 [GroupedToDefaultAction.java] (https://github.com/JetBrains/intellij-sdk/blob/master/code_samples/plugin_sample/src/org/jetbrains/plugins/sample/actions/GroupedToDefaultAction.java)
@@ -132,10 +132,10 @@ belonging to this group.
     The optional "icon" attribute specifies the icon which is displayed on the toolbar button or next to the group.
     The optional "popup" attribute specifies how the group is presented in the menu. If a group has popup="true", actions in it
     are placed in a submenu; for popup="false", actions are displayed as a section of the same menu delimited by separators. -->
-    <group class="org.jetbrains.plugins.sample.actions.DummyActionGroup" id="DummyActionGroup" text="Action Group"
+    <group class="DummyActionGroup" id="DummyActionGroup" text="Action Group"
            description="Illustration of an action group"
            icon="icons/testgroup.png" popup="true">
-        <action id="PluginSample.GroupedAction" class="org.jetbrains.plugins.sample.actions.GroupedAction"
+        <action id="PluginSample.GroupedAction" class="GroupedAction"
                 text="Grouped Action" description="An action in the group"/>
         <!-- The <separator> element defines a separator between actions. It can also have an <add-to-group> child element. -->
         <separator/>
diff --git a/tutorials/plugin_xml_overview.md b/tutorials/plugin_xml_overview.md
index 5fa69f1d6..18cadec4b 100644
--- a/tutorials/plugin_xml_overview.md
+++ b/tutorials/plugin_xml_overview.md
@@ -43,9 +43,9 @@ This configuration file contains description, components, information about depe
       <application-components>
         <component>
           <!-- Component's interface class -->
-          <interface-class>org.jetbrains.plugins.sample.DummyApplicationComponent</interface-class>
+          <interface-class>DummyApplicationComponent</interface-class>
           <!-- Component's implementation class -->
-          <implementation-class>org.jetbrains.plugins.sample.DummyApplicationComponentImpl</implementation-class>
+          <implementation-class>DummyApplicationComponentImpl</implementation-class>
         </component>
       </application-components>
 
@@ -53,8 +53,8 @@ This configuration file contains description, components, information about depe
       <project-components>
         <component>
           <!-- Interface and implementation classes are the same -->
-          <interface-class>org.jetbrains.plugins.sample.DummyProjectComponent</interface-class>
-          <implementation-class>org.jetbrains.plugins.sample.DummyProjectComponentImpl</implementation-class>
+          <interface-class>DummyProjectComponent</interface-class>
+          <implementation-class>DummyProjectComponentImpl</implementation-class>
           <!-- If the "workspace" option is set "true", the component saves its state to the .iws file
             instead of the .ipr file.  Note that the <option> element is used only if the component implements the JDOMExternalizable interface. Otherwise, the use of the <option> element takes no effect.-->
 
@@ -67,14 +67,14 @@ This configuration file contains description, components, information about depe
       <!-- Plugin's module components -->
       <module-components>
         <component>
-          <interface-class>org.jetbrains.plugins.sample.DummyModuleComponent</interface-class>
-          <implementation-class>org.jetbrains.plugins.sample.DummyModuleComponentImpl</implementation-class>
+          <interface-class>DummyModuleComponent</interface-class>
+          <implementation-class>DummyModuleComponentImpl</implementation-class>
         </component>
       </module-components>
 
       <!-- Actions -->
       <actions>
-        <action id="PluginSample.DummyAction" class="org.jetbrains.plugins.sample.actions.SimpleAction" text="Dummy Action" description="Illustrates how to plug an action in">
+        <action id="PluginSample.DummyAction" class="SimpleAction" text="Dummy Action" description="Illustrates how to plug an action in">
           <keyboard-shortcut first-keystroke="control alt A" second-keystroke="C" keymap="$default"/>
         </action>
       </actions>
diff --git a/tutorials/project_view.md b/tutorials/project_view.md
index 8cbd91dc5..36bc3ada8 100644
--- a/tutorials/project_view.md
+++ b/tutorials/project_view.md
@@ -13,7 +13,7 @@ in the
 configuration file:
 
     <extensions defaultExtensionNs="com.intellij">
-        <treeStructureProvider implementation="org.jetbrains.plugins.sample.tree.TextOnlyTreeStructureProvider"/>
+        <treeStructureProvider implementation="TextOnlyTreeStructureProvider"/>
     </extensions>
 
 Two methods of the parent class need to be overridden.