README-RELEASE update

Author: ilg-ul

README-RELEASE.md

@@ -408,8 +408,8 @@ watching this project.
 - `npm pack` and check the content of the archive, which should list
   only the `package.json`, the `README.md`, `LICENSE` and `CHANGELOG.md`;
   possibly adjust `.npmignore`
-- `npm version 7.1.0-1.1`; the first 5 numbers are the same as the
-  GitHub release; the sixth number is the npm specific version
+- `npm version 7.1.0-1.1`; the first 4 numbers are the same as the
+  GitHub release; the fifth number is the npm specific version
 - the commits and the tag should have been pushed by the `postversion` script;
   if not, push them with `git push origin --tags`
 - `npm publish --tag next` (use `--access public` when publishing for