Do not use uppercase characters in source code filenames

src/net_processing.cpp

@@ -560,7 +560,7 @@ static void FindNextBlocksToDownload(NodeId nodeid, unsigned int count, std::vec
 } // namespace
 
 // This function is used for testing the stale tip eviction logic, see
-// DoS_tests.cpp
+// denialofservice_tests.cpp
 void UpdateLastBlockAnnounceTime(NodeId node, int64_t time_in_seconds)
 {
     LOCK(cs_main);