Index: llvm/lib/Transforms/Utils/Debugify.cpp
===================================================================
--- llvm/lib/Transforms/Utils/Debugify.cpp
+++ llvm/lib/Transforms/Utils/Debugify.cpp
@@ -422,7 +422,7 @@
 struct CheckDebugifyModulePass : public ModulePass {
   bool runOnModule(Module &M) override {
     return checkDebugifyMetadata(M, M.functions(), NameOfWrappedPass,
-                                 "CheckModuleDebugify", Strip, StatsMap);
+                                 "CheckModuleDebugify: ", Strip, StatsMap);
   }
 
   CheckDebugifyModulePass(bool Strip = false, StringRef NameOfWrappedPass = "",