More accurate javadoc

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@271972 13f79535-47bb-0310-9956-ffa450edef68

proposal/myrmidon/src/java/org/apache/myrmidon/components/converter/DefaultMasterConverter.java

@@ -35,8 +35,10 @@ public class DefaultMasterConverter
 
     private TypeManager m_typeManager;
 
-    /** Map from converter name to Converter. */
-    private Map m_converters = new HashMap();
+    /**
+     * Map from converter classname to instance of converter.
+     */
+    private final Map m_converters = new HashMap();
 
     /**
      * This holds the mapping between source/destination