Typo

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@276789 13f79535-47bb-0310-9956-ffa450edef68

WHATSNEW

@@ -72,7 +72,7 @@ Fixed bugs:
   Bugzilla 30161.
 
 * MacroInstance did not clean up nested elements correctly in the execute method, causing
-  multiple use of the same marco instance with nested elements to fail.
+  multiple use of the same macro instance with nested elements to fail.
 
 Changes from Ant 1.6.1 to Ant 1.6.2
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