added link to plugin's reference documentation
diff --git a/README.md b/README.md
index e6849fe..f222d7f 100644
--- a/README.md
+++ b/README.md
@@ -14,7 +14,7 @@
See the License for the specific language governing permissions and
limitations under the License.
-->
-Contributing to Apache Maven GPG Plugin
+Contributing to [Apache Maven GPG Plugin](https://maven.apache.org/plugins/maven-gpg-plugin/)
======================
[![Apache License, Version 2.0, January 2004](https://img.shields.io/github/license/apache/maven.svg?label=License)][license]