diff --git a/lib/Frontend/Warnings.cpp b/lib/Frontend/Warnings.cpp
index f68e03b0d5..1866949e15 100644
--- a/lib/Frontend/Warnings.cpp
+++ b/lib/Frontend/Warnings.cpp
@@ -31,7 +31,8 @@
 #include <algorithm>
 using namespace clang;
 
-// EmitUnknownDiagWarning - Emit a warning and typo hint for unknown warning opts
+// EmitUnknownDiagWarning - Emit a warning and typo hint for unknown warning
+// opts
 static void EmitUnknownDiagWarning(DiagnosticsEngine &Diags,
                                   StringRef Prefix, StringRef Opt,
                                   bool isPositive) {