diff --git a/README.md b/README.md
index 17f9290..578d5b4 100644
--- a/README.md
+++ b/README.md
@@ -74,6 +74,12 @@ Please make sure to `cd` to the Firefish local repository before running these c
 fishctl config update
 ```
 
+You can also specify the revision to update to, but this feature is for development purposes only.
+
+```sh
+fishctl config update v1
+```
+
 ### Validate the config files
 
 Execute the following command to validate the config files.