diff --git a/simple_language_plugin/src/main/java/org/intellij/sdk/language/SimpleAnnotator.java b/simple_language_plugin/src/main/java/org/intellij/sdk/language/SimpleAnnotator.java
index d15987fea..5ae2b0edd 100644
--- a/simple_language_plugin/src/main/java/org/intellij/sdk/language/SimpleAnnotator.java
+++ b/simple_language_plugin/src/main/java/org/intellij/sdk/language/SimpleAnnotator.java
@@ -5,6 +5,7 @@ package org.intellij.sdk.language;
 import com.intellij.lang.annotation.AnnotationBuilder;
 import com.intellij.lang.annotation.AnnotationHolder;
 import com.intellij.lang.annotation.Annotator;
+import com.intellij.lang.annotation.HighlightSeverity;
 import com.intellij.openapi.editor.DefaultLanguageHighlighterColors;
 import com.intellij.openapi.project.Project;
 import com.intellij.openapi.util.TextRange;
@@ -15,10 +16,6 @@ import org.jetbrains.annotations.NotNull;
 
 import java.util.List;
 
-import static com.intellij.lang.annotation.HighlightSeverity.ERROR;
-import static com.intellij.lang.annotation.HighlightSeverity.INFORMATION;
-
-
 public class SimpleAnnotator implements Annotator {
 
   // Define strings for the Simple language prefix - used for annotations, line markers, etc.
@@ -32,7 +29,7 @@ public class SimpleAnnotator implements Annotator {
       return;
     }
 
-    // Ensure the Psi element contains a string that starts with the key and separator
+    // Ensure the Psi element contains a string that starts with the prefix and separator
     PsiLiteralExpression literalExpression = (PsiLiteralExpression) element;
     String value = literalExpression.getValue() instanceof String ? (String) literalExpression.getValue() : null;
     if ((value == null) || !value.startsWith(SIMPLE_PREFIX_STR + SIMPLE_SEPARATOR_STR)) {
@@ -52,13 +49,13 @@ public class SimpleAnnotator implements Annotator {
     List<SimpleProperty> properties = SimpleUtil.findProperties(project, possibleProperties);
 
     // Set the annotations using the text ranges - Normally there would be one range, set by the element itself.
-    holder.newAnnotation(INFORMATION, "")
+    holder.newSilentAnnotation(HighlightSeverity.INFORMATION)
             .range(prefixRange).textAttributes(DefaultLanguageHighlighterColors.KEYWORD).create();
-    holder.newAnnotation(INFORMATION, "")
+    holder.newSilentAnnotation(HighlightSeverity.INFORMATION)
             .range(separatorRange).textAttributes(SimpleSyntaxHighlighter.SEPARATOR).create();
     if (properties.isEmpty()) {
       // No well-formed property found following the key-separator
-      AnnotationBuilder builder = holder.newAnnotation(ERROR, "Unresolved property").range(keyRange);
+      AnnotationBuilder builder = holder.newAnnotation(HighlightSeverity.ERROR, "Unresolved property").range(keyRange);
       // Force the text attributes to Simple syntax bad character
       builder.textAttributes(SimpleSyntaxHighlighter.BAD_CHARACTER);
       // ** Tutorial step 18.3 - Add a quick fix for the string containing possible properties
@@ -67,7 +64,8 @@ public class SimpleAnnotator implements Annotator {
       builder.create();
     } else {
       // Found at least one property, force the text attributes to Simple syntax value character
-      holder.newAnnotation(INFORMATION, "").range(keyRange).textAttributes(SimpleSyntaxHighlighter.VALUE).create();
+      holder.newSilentAnnotation(HighlightSeverity.INFORMATION)
+              .range(keyRange).textAttributes(SimpleSyntaxHighlighter.VALUE).create();
     }
   }