changed macrodef to macro invocation

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@550859 13f79535-47bb-0310-9956-ffa450edef68

docs/manual/CoreTasks/macrodef.html

@@ -182,10 +182,10 @@
     </table>
     <h4>text</h4>
     <p>
-      This is used to specify the treatment of text contents of the macrodef.
-      If this element is not present, then any nested text in the macro
+      This is used to specify the treatment of text contents of the macro invocation.
+      If this element is not present, then any nested text in the macro invocation
       will be an error. If the text element is present, then the name
-      becomes an attribute that gets set to the nested text of the macro.
+      becomes an attribute that gets set to the nested text of the macro invocation.
       <em>Since ant 1.6.1.</em>
     </p>
     <p>