diff --git a/tools/README.md b/tools/README.md
index c0232ad..864ab00 100644
--- a/tools/README.md
+++ b/tools/README.md
@@ -22,7 +22,7 @@ repo  = f"https://api.github.com/repos/{owner}/{name}/releases/latest"
 ```
 cd /srv
 git clone https://forge.a-lec.org/cominfra/toot.git
-chmod +x toot/tools/has_update
+chmod +x /srv/toot/tools/has_update
 ```
 
 ### Usage
@@ -41,3 +41,12 @@ no argument, *has_update* ouputs a message ONLY if an update is available.
 cd /home/mastodon/live
 /srv/toot/tools/has_update
 ```
+
+### Update has_update from git
+At that time, you can perform an update using these commands:
+```
+cd /srv/toot/
+git reset --hard # has_update was chmod
+git pull
+chmod +x /srv/toot/tools/has_update
+```