fixed typo (SPR-6748)

git-svn-id: https://src.springframework.org/svn/spring-framework/trunk@2849 50f2f4bb-b051-0410-bef5-90022cba6387

spring-framework-reference/src/aop-api.xml

@@ -1824,7 +1824,7 @@ Object oldTarget = swapper.swap(newTarget);</programlisting></para>
       <para>Note that the target object - "businessObjectTarget" in the
       example - <emphasis>must</emphasis> be a prototype. This allows the
       <literal>PoolingTargetSource</literal> implementation to create new
-      instances of the target to grow the pool as necessary. See the havadoc
+      instances of the target to grow the pool as necessary. See the javadoc
       for <literal>AbstractPoolingTargetSource</literal> and the concrete
       subclass you wish to use for information about its properties: "maxSize"
       is the most basic, and always guaranteed to be present.</para>