[maven-release-plugin] prepare release maven-site-plugin-3.8
diff --git a/pom.xml b/pom.xml
index 358c39e..de1b6aa 100644
--- a/pom.xml
+++ b/pom.xml
@@ -26,11 +26,11 @@
     <groupId>org.apache.maven.plugins</groupId>
     <artifactId>maven-plugins</artifactId>
     <version>33</version>
-    <relativePath/>
+    <relativePath />
   </parent>
 
   <artifactId>maven-site-plugin</artifactId>
-  <version>3.8-SNAPSHOT</version>
+  <version>3.8</version>
   <packaging>maven-plugin</packaging>
 
   <name>Apache Maven Site Plugin</name>
@@ -177,7 +177,7 @@
     <connection>scm:git:https://gitbox.apache.org/repos/asf/maven-site-plugin.git</connection>
     <developerConnection>scm:git:https://gitbox.apache.org/repos/asf/maven-site-plugin.git</developerConnection>
     <url>https://github.com/apache/maven-site-plugin/tree/${project.scm.tag}</url>
-    <tag>HEAD</tag>
+    <tag>maven-site-plugin-3.8</tag>
   </scm>
   <issueManagement>
     <system>JIRA</system>
@@ -642,7 +642,7 @@
                 <mockRepo>
                   <source>src/it/mrm/repository</source>
                 </mockRepo>
-                <proxyRepo/>
+                <proxyRepo />
               </repositories>
             </configuration>
           </plugin>