diff --git a/lib/Analysis/ThreadSafety.cpp b/lib/Analysis/ThreadSafety.cpp
index 02d2d3e..5a12913 100644
--- a/lib/Analysis/ThreadSafety.cpp
+++ b/lib/Analysis/ThreadSafety.cpp
@@ -40,7 +40,7 @@
 // Key method definition
 ThreadSafetyHandler::~ThreadSafetyHandler() {}
 
-// Helper functions
+// Helper function
 static Expr *getParent(Expr *Exp) {
   if (MemberExpr *ME = dyn_cast<MemberExpr>(Exp))
     return ME->getBase();