Correct the comment

### What's done:

 * Fixes #1478.

Author: 0x6675636b796f75676974687562

.github/workflows/release.yml

@@ -50,7 +50,8 @@ jobs:
               { "id": "kotlin-maven-plugin-tools", "username": "${{github.actor}}", "password": "${{ secrets.GITHUB_TOKEN }}" }
             ]
         # Runs tests, incl. smoke tests (using a fat JAR built from the
-        # "diktat-ruleset" module).
+        # "diktat-ruleset" module). The fat JAR is also used later during the
+        # "upload-release-asset" step (see below).
       - name: Run tests
         run: mvn -B clean install
         # "diktat-ruleset" is a module that creates a fat JAR, which is,