Document excluded module

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/jci/trunk@1515117 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/pom.xml b/pom.xml
index b7605cb..8bad06c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -45,6 +45,7 @@
         <module>compilers/groovy</module>
         <module>compilers/rhino</module>
         <!-- <module>compilers/jsr199</module> -->
+        <!-- <module>compilers/javac</module> -->
     </modules>
 
     <developers>