Fix minor typo

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@271721 13f79535-47bb-0310-9956-ffa450edef68

src/main/org/apache/tools/ant/Project.java

@@ -1054,7 +1054,7 @@ public class Project {
     /**
      * Creates a new instance of a data type.
      * 
-     * @param taskType The name of the data type to create an instance of.
+     * @param typeName The name of the data type to create an instance of.
      *                 Must not be <code>null</code>.
      * 
      * @return an instance of the specified data type, or <code>null</code> if