fixed typo

git-svn-id: http://svn.igniterealtime.org/svn/repos/messenger/trunk@1570 b35dd754-fafc-0310-a699-88a17e54d16e

src/plugins/userImportExport/readme.html

@@ -78,7 +78,7 @@ export user data to the MESSENGER_HOME/export directory. In the "Export File Nam
 field, enter the name of the file you want export to and then click on the "Export" 
 button. Note: the plugin will automatically append an ".xml" extension to the file 
 name if it is not already present. To export to the screen, select the "To Screen"
-radio button and then click on the "Export" file. The user data will be placed in
+radio button and then click on the "Export" button. The user data will be placed in
 the provided text area.</li>
 <li>Migration - To import user data from another instant messenger system using the 
 plugin, the import file must conform to the messenger-user-schema.xsd.xml schema file