Merge pull request #156 from theohbrothers/docs/readme-improve-submod…

…ule-maintenance-section

Docs (readme): Improve submodule maintenance section

README.md

@@ -245,21 +245,16 @@ In cases where the module needs to be tested across multiple operating systems a
 
 Sample CI files demonstrating use of this approach can be found [here](docs/samples/ci/azure-pipelines).
 
-### Managing the submodule
+## Maintenance
 
-#### Retrieving updates
+### Submodule
 
-To update the submodule:
+#### Using a specific tag
 
 ```shell
+# Update the submodule
 git submodule update --remote build/PSModulePublisher
-```
 
-#### Using a specific tag
-
-To use a specific tag of the submodule:
-
-```shell
 # Checkout ref to use
 git --git-dir build/PSModulePublisher/.git checkout vx.x.x