diff --git a/lib/CodeGen/CGDebugInfo.cpp b/lib/CodeGen/CGDebugInfo.cpp
index dbae6e969920820fab30cadd4b22d4682fc2b73c..7d5d26030475191f968aa178070dc5a22c64db52 100644
--- a/lib/CodeGen/CGDebugInfo.cpp
+++ b/lib/CodeGen/CGDebugInfo.cpp
@@ -1267,7 +1267,7 @@ CollectTemplateParams(const TemplateParameterList *TPList,
     case TemplateArgument::Pack:
       // And this with DW_TAG_GNU_template_parameter_pack
       break;
-    // these next 4 should never occur
+    // And the following should never occur:
     case TemplateArgument::Expression:
     case TemplateArgument::TemplateExpansion:
     case TemplateArgument::Null: