give prettier command line (#1018)

.github/PULL_REQUEST_TEMPLATE.md

@@ -10,5 +10,5 @@ Please note that this repo is mostly for popular apps with thousands of stars an
 - [ ] I have ensured that I am not using the "latest" tag as this tag is dynamically changing and might break the one-click app. Use a fixed version.
 - [ ] I have made sure that instructions.start and instructions.end are clear and self-explanatory.
 - [ ] Icon is added as a png file to the logos directory.
-- [ ] I've executed the checks if necessary by running `npm ci && npm run validate_apps && npm run formatter`
+- [ ] I've executed the checks if necessary by running `npm ci && npm run validate_apps && npm run formatter` (If failling run the prettier: `npm run formatter-write`)
 - [ ] I will take responsibility addressing any issues that arises as a result of this PR (maintaining this app).