diff --git a/clang/include/clang/Driver/Options.td b/clang/include/clang/Driver/Options.td
--- a/clang/include/clang/Driver/Options.td
+++ b/clang/include/clang/Driver/Options.td
@@ -2862,7 +2862,7 @@
 def _all_warnings : Flag<["--"], "all-warnings">, Alias<Wall>;
 def _analyzer_no_default_checks : Flag<["--"], "analyzer-no-default-checks">, Flags<[DriverOption]>;
 def _analyzer_output : JoinedOrSeparate<["--"], "analyzer-output">, Flags<[DriverOption]>,
-  HelpText<"Static analyzer report output format (html|plist|plist-multi-file|plist-html|text).">;
+  HelpText<"Static analyzer report output format (html|plist|plist-multi-file|plist-html|sarif|text).">;
 def _analyze : Flag<["--"], "analyze">, Flags<[DriverOption, CoreOption]>,
   HelpText<"Run the static analyzer">;
 def _assemble : Flag<["--"], "assemble">, Alias<S>;