Update README.md

Co-authored-by: Oliver <[email protected]>

Author: jmewes

README.md

@@ -597,7 +597,7 @@ The Gradle plugin is published to the [Gradle plugin portal](https://plugins.gra
 Given that the `master` branch on the upstream repository is in the state from which you want to create a release, execute the following steps:
 
 1. [Create release via the GitHub UI](https://github.com/ePages-de/restdocs-api-spec/releases/new) <br>
-    Use the intended version number as "Tag version", e.g. "0.15.4".
+    Use the intended version number as "Tag version", e.g. "0.15.3".
     This will automatically trigger a Travis build which publishes the JAR files for this release to Sonatype.
 2. Login to Sonatype and navigate to the [staging repositories](https://oss.sonatype.org/#stagingRepositories)
 3. Close the staging repository <br>