diff --git a/doc/erko_howto_tools.txt b/doc/erko_howto_tools.txt
index a90a6b409d457c725474ec61abceb497fccc868e..316fad525c67fd545216814cd22c85645d28b169 100755
--- a/doc/erko_howto_tools.txt
+++ b/doc/erko_howto_tools.txt
@@ -266,6 +266,8 @@ git remote remove <remote name> # remove a remote repo
 * GIT workflow and review process using Gitlab
 *******************************************************************************
 
+https://ohshitgit.com/
+
 We identify two persons in this process:
 - the coder
 - the reviewer