diff --git a/clang/lib/Analysis/FormatString.cpp b/clang/lib/Analysis/FormatString.cpp
index 851b97e5bc1d..0a922f7508f5 100644
--- a/clang/lib/Analysis/FormatString.cpp
+++ b/clang/lib/Analysis/FormatString.cpp
@@ -632,7 +632,7 @@ bool FormatSpecifier::hasValidLengthModifier(const TargetInfo &Target) const {
       }
       
     // Handle 'l' flag
-    case LengthModifier::AsLong:
+    case LengthModifier::AsLong: // or AsWideChar
       switch (CS.getKind()) {
         case ConversionSpecifier::dArg:
         case ConversionSpecifier::DArg: