diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 7157a53..67b0754 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -73,7 +73,7 @@ Please sign off your commits, to show that you agree to publish your changes und
 , and to indicate agreement with [Developer Certificate of Origin (DCO)](https://developercertificate.org/).
 
 ```shell
-git commit --signed-off ...
+git commit --signoff ...
 ```
 
 ## Contributors