docs: update readme

README.md

@@ -2,6 +2,10 @@
 
 The Norminette pre-commit hook.
 
+## Requirements
+
+- [Pre-commit](https://pre-commit.com/index.html) must be installed on the system or in the repository virtual environment.
+
 ## Usage
 
 Create a `.pre-commit-config.yaml` file in the root of your repository.
@@ -14,7 +18,9 @@ default_language_version:
 
 repos:
   - repo: https://github.com/vcwild/norminette-hook
-    rev: main
+    rev: v0.1.0
     hooks:
     - id: norminette-hook
 ```
+
+When executing `pre-commit run` or `pre-commit run norminette-hook`, the hook will be executed.