diff --git a/idea/src/org/jetbrains/jet/plugin/refactoring/extractFunction/extractorUtil.kt b/idea/src/org/jetbrains/jet/plugin/refactoring/extractFunction/extractorUtil.kt
index ea145cf5454..915eb8812e3 100644
--- a/idea/src/org/jetbrains/jet/plugin/refactoring/extractFunction/extractorUtil.kt
+++ b/idea/src/org/jetbrains/jet/plugin/refactoring/extractFunction/extractorUtil.kt
@@ -516,6 +516,7 @@ fun ExtractableCodeDescriptor.generateDeclaration(options: ExtractionGeneratorOp
             anchorCandidates.maxBy { it.getTextRange().getStartOffset() }!!
         }
 
+        // Ascend to the level of targetSibling
         val targetParent = targetSibling.getParent()
         marginalCandidate.parents().first { it.getParent() == targetParent }
     }