diff --git a/lib/ExecutionEngine/Interpreter/ExecutionAnnotations.h b/lib/ExecutionEngine/Interpreter/ExecutionAnnotations.h
index 03abd20bb45..913e8615957 100644
--- a/lib/ExecutionEngine/Interpreter/ExecutionAnnotations.h
+++ b/lib/ExecutionEngine/Interpreter/ExecutionAnnotations.h
@@ -43,8 +43,8 @@ private:
 // Support for the SlotNumber annotation
 //===----------------------------------------------------------------------===//
 
-// This annotation (attached only to FunctionArgument & Instruction objects) is
-// used to hold the the slot number for the value in its type plane.
+// This annotation (attached only to Argument & Instruction objects) is used to
+// hold the the slot number for the value in its type plane.
 //
 // Entities have this annotation attached to them when the containing
 // function has it's MethodInfo created (by the MethodInfo ctor).