[FIXED HUDSON-2812] Add missing word in help text.

git-svn-id: https://hudson.dev.java.net/svn/hudson/trunk/hudson/main@14291 71c3de6d-444a-0410-be80-ed276b4c234a

war/resources/help/ant/ant-buildfile.html

 <div>
   If your build requires a custom <a href="http://ant.apache.org/manual/running.html#options">-buildfile</a>,
-  specify it here.  By default Ant will use the <code>build.xml</code> in the root directory, 
+  specify it here.  By default Ant will use the <code>build.xml</code> in the root directory;
   this option can be used to use build files with a different name or in a subdirectory.
 </div>

war/resources/help/ant/ant-targets.html

 <div>
   Specify a list of Ant targets to be invoked, or leave it empty to invoke the default Ant target
-  specified in the build script. Additionally, you can also this field to specify other Ant options. 
-</div>
\ No newline at end of file
+  specified in the build script. Additionally, you can also use this field to specify other Ant options.
+</div>