No "_" in <id>

kotlin_demo/src/main/resources/META-INF/plugin.xml

@@ -4,10 +4,10 @@
 <idea-plugin>
 
   <!-- Unique identifier of the plugin. Cannot be changed between the plugin versions. -->
-  <id>org.intellij.sdk.kotlin_demo</id>
+  <id>org.intellij.sdk.kotlinDemo</id>
 
   <!-- Plugin name -->
-  <name>SDK: kotlin_demo</name>
+  <name>SDK: Kotlin Demo</name>
 
   <!-- Plugin version, in MAJOR.MINOR.FIX format -->
   <version>2.0.0</version>

live_templates/resources/META-INF/plugin.xml

@@ -1,5 +1,5 @@
 <idea-plugin>
-  <id>live_templates</id>
+  <id>org.intellij.sdk.liveTemplates</id>
   <name>Live Templates</name>
   <version>1.0</version>
   <vendor>JetBrains</vendor>
@@ -19,7 +19,6 @@
   <extensions defaultExtensionNs="com.intellij">
     <defaultLiveTemplatesProvider implementation="MarkdownTemplateProvider"/>
     <liveTemplateContext implementation="MarkdownContext"/>
-
   </extensions>
 
 </idea-plugin>

simple_language_plugin/src/main/resources/META-INF/plugin.xml

@@ -3,7 +3,7 @@
 <idea-plugin>
 
   <!--  Unique id for this plugin. Must stay constant for the life of the plugin.  -->
-  <id>org.intellij.sdk.simple_language</id>
+  <id>org.intellij.sdk.language</id>
 
   <!-- Text to display as name on Preferences/Settings | Plugin page  -->
   <name>SDK: Simple Language Sample Project</name>

theme_basics/resources/META-INF/plugin.xml

@@ -1,5 +1,5 @@
 <idea-plugin>
-  <id>com.jetbrains.sdk.theme_basics</id>
+  <id>com.jetbrains.sdk.themeBasics</id>
   <name>SDK Theme Basics</name>
   <version>0.1</version>
   <vendor email="support-email@company.com" url="https://blog.jetbrains.com/platform/">JetBrains Plugin Platform SDK</vendor>