clarify sign-off step (#319)

rolweber · web-flow · commit 007fb96a1ec2 · 2022-12-14T10:56:02.000+01:00
Signed-off-by: Roland Weber &lt;rolweber@de.ibm.com&gt;
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
@@ -48,9 +48,9 @@ Run all tests in dedicated environments, via:
 poetry run tox
 ```
 
-## Sign your commits
+## Sign off your commits
 
-Please sign your commits,
+Please sign off your commits,
 to show that you agree to publish your changes under the current terms and licenses of the project.
 
 ```shell
