diff --git a/platform/core-api/src/com/intellij/psi/StubBuilder.java b/platform/core-api/src/com/intellij/psi/StubBuilder.java
index 674329683ea7..044287f0b704 100644
--- a/platform/core-api/src/com/intellij/psi/StubBuilder.java
+++ b/platform/core-api/src/com/intellij/psi/StubBuilder.java
@@ -10,11 +10,11 @@ public interface StubBuilder {
 
   /**
    * Return true if {@code node} can't contain stubs, false you can't be sure about that.
-   * Implementing this method allows to speed up some PSI operations (e.g. involving stub-AST switch)
+   * Implementing this method allows to speed up indexing and some PSI operations (e.g. involving stub-AST switch)
    * by reducing the number of the AST nodes the platform walks to find all stubbed ones.<p></p>
    *
    * Typical implementations usually check {@code node.getElementType()}. They may also check {@code node}'s text.
-   * If {@node} is {@link com.intellij.psi.tree.ILazyParseableElementType lazy-parseable}, retrieving its children via AST
+   * If {@code node} is {@link com.intellij.psi.tree.ILazyParseableElementType lazy-parseable}, retrieving its children via AST
    * would be slow and is not recommended, try to use text (maybe with a lexer) instead.
    *
    * @param parent the parent of {@code node}