Small improvements: code style and property name

googlemock/include/gmock/gmock-matchers.h

@@ -4843,7 +4843,7 @@ ThrowsMessage(const MessageMatcher& messageMatcher) {
   // literals, e.g. ThrowsMessage("message").
   return MakePolymorphicMatcher(
       internal::ExceptionMatcherImpl<Err>{
-          Property("description", &std::exception::what,
+          Property("what", &std::exception::what,
                    MatcherCast<std::string>(messageMatcher))});
 }
 template <typename Err, typename Message = std::string>
@@ -4854,7 +4854,7 @@ ThrowsMessageHasSubstr(const internal::StringLike<Message>& message) {
       "expected an std::exception-derived class");
   return MakePolymorphicMatcher(
       internal::ExceptionMatcherImpl<Err>{
-          Property("description", &std::exception::what, HasSubstr(message))});
+          Property("what", &std::exception::what, HasSubstr(message))});
 }
 
 #endif  // GTEST_HAS_EXCEPTIONS

googlemock/test/gmock-matchers_test.cc

@@ -8282,10 +8282,8 @@ TEST(ThrowsPredicateCompilesTest, StringLikeMessage) {
     std::string inner;
 
     // Note: explicit conversion.
-    explicit operator std::string() const {
-      return inner;
-    }
-};
+    explicit operator std::string() const { return inner; }
+  };
 
   Matcher<void (*)()> matcher = ThrowsMessageHasSubstr<std::runtime_error>(
       SomeCustomString{"error message"});