diff --git a/lib/VMCore/Type.cpp b/lib/VMCore/Type.cpp
index d14f29cfc8a..66eb10af23c 100644
--- a/lib/VMCore/Type.cpp
+++ b/lib/VMCore/Type.cpp
@@ -47,7 +47,7 @@ AbstractTypeUser::~AbstractTypeUser() {}
 static ManagedStatic<sys::SmartRWMutex<true> > TypeMapLock;
 
 // Recursive lock used for guarding access to AbstractTypeUsers.
-// NOTE: The false template parameter means this will no-op when we're not in
+// NOTE: The true template parameter means this will no-op when we're not in
 // multithreaded mode.
 static ManagedStatic<sys::SmartMutex<true> > AbstractTypeUsersLock;