diff --git a/mps/src/pthrdext.c b/mps/src/pthrdext.c
index d93252ae72f..2651e06db36 100644
--- a/mps/src/pthrdext.c
+++ b/mps/src/pthrdext.c
@@ -1,10 +1,8 @@
 /*  impl.c.pthreadext: POSIX THREAD EXTENSIONS
  *
- *  $HopeName: MMsrc!pthrdext.c(trunk.1) $
+ *  $HopeName: MMsrc!pthrdext.c(trunk.2) $
  *  Copyright (C) 2000 Harlequin Limited.  All rights reserved.
  *
- * .readership: MM developers.
- *
  * .purpose: Provides extension to Pthreads.
  *
  * .design: see design.mps.pthreadext
@@ -30,6 +28,8 @@
 #include "pthrdext.h"
 #include "mpm.h"
 
+SRCID(pthreadext, "$HopeName$");
+
 
 /* PTHREADEXT_SIGSUSPEND, PTHREADEXT_SIGRESUME -- signals used
  *