diff --git a/docs/tech/index.txt b/docs/tech/index.txt
index 9161f80ad6..03e1c4d925 100644
--- a/docs/tech/index.txt
+++ b/docs/tech/index.txt
@@ -1,2 +1,4 @@
 TN0001   How to add a new sample
 TN0002   wxWindows translator guide
+
+Version: $Id$