diff --git a/lib/Analysis/MallocHelper.cpp b/lib/Analysis/MallocHelper.cpp
index 511de9d..70afa88 100644
--- a/lib/Analysis/MallocHelper.cpp
+++ b/lib/Analysis/MallocHelper.cpp
@@ -1,4 +1,4 @@
-//===-- MallocHelper.cpp - Functions to identify malloc calls -------------===//
+//===-- MallocFreeHelper.cpp - Identify calls to malloc and free builtins -===//
 //
 //                     The LLVM Compiler Infrastructure
 //
@@ -8,7 +8,8 @@
 //===----------------------------------------------------------------------===//
 //
 // This family of functions identifies calls to malloc, bitcasts of malloc
-// calls, and the types and array sizes associated with them.
+// calls, and the types and array sizes associated with them.  It also
+// identifies calls to the free builtin.
 //
 //===----------------------------------------------------------------------===//
 
@@ -264,6 +265,10 @@
   return BO->getOperand(0);
 }
 
+//===----------------------------------------------------------------------===//
+//  free Call Utility Functions.
+//
+
 /// isFreeCall - Returns true if the the value is a call to the builtin free()
 bool llvm::isFreeCall(const Value* I) {
   const CallInst *CI = dyn_cast<CallInst>(I);