mention the existing support for wide strings in string matchers

googlemock/docs/cheat_sheet.md

@@ -326,8 +326,8 @@ The `argument` can be either a C string or a C++ string object:
 `ContainsRegex()` and `MatchesRegex()` take ownership of the `RE` object. They
 use the regular expression syntax defined
 [here](../../googletest/docs/advanced.md#regular-expression-syntax).
-`StrCaseEq()`, `StrCaseNe()`, `StrEq()`, and `StrNe()` work for wide strings as
-well.
+All of these matchers, except `ContainsRegex()` and `MatchesRegex()` work for
+wide strings as well.
 
 #### Container Matchers