fix README for twitter plugin: typos + change to new menu structure

addon/twitter/README

@@ -3,7 +3,7 @@ By Tobias Diekershoff
    tobias.diekershoff(at)gmx.net
 
 !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
-!!   This addon is currently in under development. If you have any problem  !!
+!!   This addon is currently under development. If you have any problem     !!
 !!   with it, please contact the Author.                                    !!
 !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
 
@@ -29,7 +29,7 @@ After you registered the application you get an OAuth consumer key / secret
 pair that identifies your app, you will need them for configuration.
 
 The inclusion of a shorturl for the original posting in cases when the
-message was longer then 140 characters requires it, that you have *PHP5+* and
+message was longer than 140 characters requires it, that you have *PHP5+* and
 *curl* on your server.
 
 ___ Where to find ___
@@ -51,19 +51,19 @@ To activate this addon add @twitter@ to the list of active addons in your
 .htconfig.php file 
     $a->config['system']['addon'] = "twitter, ..."
 Afterwards you need to add your OAuth consumer key / secret pair to it by
-adding the following to lines
+adding the following two lines
 
 $a->config['twitter']['consumerkey'] = 'your consumer KEY here';
 $a->config['twitter']['consumersecret'] = 'your consumer SECRET here';
 
 When this is done your user can now configure their Twitter connection at
-"Settings -> Addon Settings" and enable the forwarding of their *public*
+"Settings -> Plugin Settings" and enable the forwarding of their *public*
 messages to Twitter.
 
 __ User Configuration __
 
 When the OAuth consumer informations are correctly placed into the
-configuration file and a user visits the "Addon Settings" page they can now
+configuration file and a user visits the "Plugin Settings" page they can now
 connect to Twitter. To do so one has to follow the _Sign in with Twitter_
 button (the page will be opened in a new browser window/tab) and get a PIN from
 Twitter. This PIN has to be entered on the settings page. After submitting the
@@ -71,7 +71,7 @@ PIN the plugin will get OAuth credentials identifying this user from the
 Friendika account.
 
 If this first step was successful the Twitter configuration will be changed
-on the "Addon Settings" page displaying two check boxes. One to enable/disable
+on the "Plugin Settings" page displaying two check boxes. One to enable/disable
 the forwarding of *all public* postings to Twitter and one to clear the
 personal configuration from the Twitter credentials.