Merge "Pingback: Tweak docs a tiny bit to point to mw.org better"

diff --combined includes/DefaultSettings.php
index 87003f0,a88b05f..cbf98a3
--- 1/includes/DefaultSettings.php
--- 2/includes/DefaultSettings.php
+++ b/includes/DefaultSettings.php
@@@ -685,7 -685,7 +685,7 @@@ $wgUseSharedUploads = false
  /**
   * Full path on the web server where shared uploads can be found
   */
 -$wgSharedUploadPath = "http://commons.wikimedia.org/shared/images";
 +$wgSharedUploadPath = null;
  
  /**
   * Fetch commons image description pages and display them on the local wiki?
@@@ -695,7 -695,7 +695,7 @@@ $wgFetchCommonsDescriptions = false
  /**
   * Path on the file system where shared uploads can be found.
   */
 -$wgSharedUploadDirectory = "/var/www/wiki3/images";
 +$wgSharedUploadDirectory = null;
  
  /**
   * DB name with metadata about shared directory.
@@@ -8342,7 -8342,7 +8342,7 @@@ $wgEventRelayerConfig = 
   * PHP version, and chosen database backend. The Wikimedia Foundation shares this data with
   * MediaWiki developers to help guide future development efforts.
   *
-  * For details about what data is sent, see: https://www.mediawiki.org/wiki/Pingback
+  * For details about what data is sent, see: https://www.mediawiki.org/wiki/Manual:$wgPingback
   *
   * @var bool
   * @since 1.28