diff --git a/Cantera/src/CVode.cpp b/Cantera/src/CVode.cpp
index 17f634fb0..13f7c1551 100755
--- a/Cantera/src/CVode.cpp
+++ b/Cantera/src/CVode.cpp
@@ -1,6 +1,7 @@
 /**
  *  @file CVode.cpp
  *
+ *  $Id$
  */
 
 // Copyright 2001  California Institute of Technology