Index: tools/yaml2obj/yaml2obj.cpp
===================================================================
--- tools/yaml2obj/yaml2obj.cpp
+++ tools/yaml2obj/yaml2obj.cpp
@@ -80,7 +80,7 @@
   std::unique_ptr<tool_output_file> Out(
       new tool_output_file(OutputFilename, EC, sys::fs::F_None));
   if (EC) {
-    errs() << EC.message() << '\n';
+    errs() << "Error: '" << EC.message() << "'\n";
     return 1;
   }