diff --git a/documentation/strip_tags b/documentation/strip_tags
index 0f652fbb0..f03276f24 100755
--- a/documentation/strip_tags
+++ b/documentation/strip_tags
@@ -1,5 +1,5 @@
 for f in html/*.html ; do
-  sed 's/<!-- ... ... .*:..:.. ....\. -->/<!-- date removed for reducing unnecessary svn web updates  -->/' $f > $f.tmp
+  sed 's/<!-- ... ... .*:..:..\. -->/<!-- date removed for reducing unnecessary svn web updates  -->/' $f > $f.tmp
   rm $f
   mv $f.tmp $f
 done