fix the release:prepare doc link

Author: shroffk

README.md

@@ -249,7 +249,7 @@ Create a sonatype account and update the maven settings.xml file with your sonat
 **Prepare the release**  
 `mvn release:prepare`  
 In this step will ensure there are no uncommitted changes, ensure the versions number are correct, tag the scm, etc.
-A full list of checks is documented [here](https://maven.apache.org/maven-release/maven-release-plugin/examples/prepare-release.html).
+A full list of checks is documented [here](https://maven.apache.org/maven-release/maven-release-plugin/usage/prepare-release.html).
 
 **Perform the release**  
 `mvn -Pdocs release:perform`