docs: change name of the hook and add the hook to minimal example

docs/pre-commit-hooks.md

@@ -83,9 +83,9 @@ hooks:
     args: ["--dev", "-f", "requirements.txt", "-o", "requirements.txt"]
 ```
 
-## poetry-update
+## poetry-sync
 
-The `poetry-update` hook calls the `poetry install --sync` command
+The `poetry-sync` hook calls the `poetry install --sync` command
 to make sure the installed dependencies match the packages defined in `poetry.lock`.
 In order to install this hook, you either need to specify `default_install_hook_types`, or you have
 to install it via `pre-commit install --install-hooks -t post-checkout -t post-merge`.
@@ -109,6 +109,7 @@ repos:
     -   id: poetry-check
     -   id: poetry-lock
     -   id: poetry-export
+    -   id: poetry-sync
 ```
 
 A `.pre-commit-config.yaml` example for a monorepo setup or if the `pyproject.toml` file is not in the root directory:
@@ -124,6 +125,8 @@ repos:
         args: ["-C", "./subdirectory"]
     -   id: poetry-export
         args: ["-C", "./subdirectory", "-f", "requirements.txt", "-o", "./subdirectory/requirements.txt"]
+    -   id: poetry-sync
+        args: ["-C", "./subdirectory"]
 ```
 
 ## FAQ