Adjustments to RELEASING document

RELEASING.md

@@ -4,13 +4,13 @@ Releasing paperclip
 2. Update `NEWS` to reflect the changes since last release.
 3. Commit changes. There shouldn’t be code changes, and thus CI doesn’t need to
    run, you can then add “[ci skip]” to the commit message.
-4. Tag the release: `git tag vVERSION`
+4. Tag the release: `git tag -m 'vVERSION' vVERSION`
 5. Push changes: `git push --tags`
 6. Build and publish the gem:
 
    ```bash
    gem build paperclip.gemspec
-   gem push paperclip-*.gem
+   gem push paperclip-VERSION.gem
    ```
 
 7. Announce the new release, making sure to say “thank you” to the contributors