diff --git a/mps/src/poolamc.c b/mps/src/poolamc.c
index 148a919bc46..577d9ea4499 100644
--- a/mps/src/poolamc.c
+++ b/mps/src/poolamc.c
@@ -1,6 +1,6 @@
-/* impl.c.amc: AUTOMATIC MOSTLY-COPYING MEMORY POOL CLASS
+/* impl.c.poolamc: AUTOMATIC MOSTLY-COPYING MEMORY POOL CLASS
  *
- * $HopeName: MMsrc!amc.c(trunk.80) $
+ * $HopeName: MMsrc!poolamc.c(trunk.2) $
  * Copyright (C) 1995,1997,1998 Harlequin Group plc, all rights reserved
  *
  * .sources: design.mps.poolamc.
@@ -10,7 +10,7 @@
 #include "amc.h"
 #include "mpscamc.h"
 
-SRCID(amc, "$HopeName: MMsrc!amc.c(trunk.80) $");
+SRCID(poolamc, "$HopeName: MMsrc!poolamc.c(trunk.2) $");
 
 
 /* PType enumeration -- distinguishes AMCGen and AMCNailBoard */
diff --git a/mps/src/poollo.c b/mps/src/poollo.c
index e8a639dc337..7786725c061 100644
--- a/mps/src/poollo.c
+++ b/mps/src/poollo.c
@@ -1,7 +1,7 @@
-/* impl.c.lo: LEAF POOL CLASS
+/* impl.c.poollo: LEAF POOL CLASS
  *
- * $HopeName: MMsrc!lo.c(trunk.51) $
- * Copyright (C) 1997 The Harlequin Group Limited.  All rights reserved.
+ * $HopeName: MMsrc!poollo.c(trunk.1) $
+ * Copyright (C) 1997,1998 Harlequin Group plc, all rights reserved.
  *
  * READERSHIP
  *
@@ -19,7 +19,7 @@
 #include "mps.h"
 #include "mpsclo.h"
 
-SRCID(lo, "$HopeName: MMsrc!lo.c(trunk.51) $");
+SRCID(poollo, "$HopeName: MMsrc!poollo.c(trunk.1) $");
 
 
 /* MACROS */