diff --git a/services/audioflinger/Threads.h b/services/audioflinger/Threads.h
index 8270e74..cc66cad 100644
--- a/services/audioflinger/Threads.h
+++ b/services/audioflinger/Threads.h
@@ -31,6 +31,7 @@
         RECORD,             // Thread class is RecordThread
         OFFLOAD,            // Thread class is OffloadThread
         MMAP                // control thread for MMAP stream
+        // If you add any values here, also update ThreadBase::threadTypeToString()
     };
 
     static const char *threadTypeToString(type_t type);