Pull-Request-Checklist.md

@@ -85,6 +85,11 @@ Please run 'bin/utils/ensure-up-to-date' locally and commit changes (UNCOMMITTED
 ```
 
 The PR needs to be updated so that the samples corresponds to the changes made to the generator.
+Here is how this can be done:
+
+* Run `mvn clean verify` to compile all modules and `openapi-generator-cli` in particular.
+* Run the scripts to udpate the outdated samples (`bin/______.sh`, refer to this [table](https://github.com/OpenAPITools/openapi-generator/wiki/Samples-folder#scripts) to find it).
+* Add the changes as new commit in the PR
 
 ### Shippable: generate all samples