minor fixes

git-svn-id: https://hudson.dev.java.net/svn/hudson/trunk/hudson/main@9955 71c3de6d-444a-0410-be80-ed276b4c234a

war/resources/help/update-center/proxy-server.html

 <div>
   If your Hudson server sits behind a firewall and does not have the direct access to the internet,
-  and if if your server JVM is not configured appropriately
+  and if your server JVM is not configured appropriately
   (<a  href="http://java.sun.com/j2se/1.5.0/docs/guide/net/properties.html">See JDK networking properties for more details</a>)
   to enable internet connection, you can specify the HTTP proxy server name in this field to allow Hudson
   to install plugins on behalf of you. Note that Hudson uses HTTPS to communicate with the update center to download plugins.
 
   <p>
   The value you submit here will be set as <tt>http.proxyHost</tt> system property. Leaving this field empty
-  causes this property to be unset, which means Hudsonwill try to connect to the host directly.
+  causes this property to be unset, which means Hudson will try to connect to the host directly.
 
   <p>
   If you are unsure about the value, check the browser proxy configuration.