Fix comment.


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@4231 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/coregrind/m_redir.c b/coregrind/m_redir.c
index 4981160..ec892e3 100644
--- a/coregrind/m_redir.c
+++ b/coregrind/m_redir.c
@@ -145,7 +145,8 @@
             rid of the translation. 
 
             Note, this is potentially expensive -- discarding
-            translations causes complete unchaining.  
+            translations requires a complete search through all of
+            them.
          */
          TRACE_REDIR("Discarding translation due to redirect of already loaded function" );
          TRACE_REDIR("   %s:%s(%p) -> %p)", redir->from_lib, redir->from_sym,