--- a/CallChain.st	Thu Mar 09 00:41:17 1995 +0100
+++ b/CallChain.st	Thu Mar 09 11:46:36 1995 +0100
@@ -7,6 +7,17 @@
 	 category:'System-Profiler'
 !
 
+!CallChain class methodsFor:'documentation'!
+
+documentation
+"
+    This is is used as a companion to MessageTally.
+    Instances of it are used to represent a calling chain.
+    (MessageTally could have used the contexts themself, but these
+     may create more overhead)
+"
+! !
+
 !CallChain methodsFor:'accessing'!
 
 rest:r