improved explanation to install the plugin

git-svn-id: https://svn.apache.org/repos/asf/maven/maven-1/plugins/trunk@114717 13f79535-47bb-0310-9956-ffa450edef68

aspectwerkz/announcements/1.0.ann

@@ -13,7 +13,14 @@ o Support for offline attribdef mode (a.k.a. self-defined aspect or model-2)
 Note that this plugin has been tested with Maven 1.0 RC1 and Maven 1.0 RC2. 
 Using it with another version of Maven is at your own risks! :-)
 
-You can download the Maven AspectWerkz plugin here:
+To automatically install the plugin, type the following on a single line:
+
+maven plugin:download -DgroupId=maven -DartifactId=maven-aspectwerkz-plugin 
+  -Dversion=1.0
+
+For a manual installation, you can download the Maven AspectWerkz plugin 
+here:
+
 http://www.ibiblio.org/maven/maven/plugins/maven-aspectwerkz-plugin-1.0.jar
 
 Have fun!