diff --git a/inc/config.php b/inc/config.php
index 92184fc8..8269e6f1 100644
--- a/inc/config.php
+++ b/inc/config.php
@@ -117,18 +117,26 @@
 
     /*
      * On top of the static file caching system, you can enable the additional caching system which is
-     * designed to minimize SQL queries and can significantly increase speed when posting or using the
-     * moderator interface. APC is the recommended method of caching.
+     * designed to minimize request processing can significantly increase speed when posting or using
+     * the moderator interface.
      *
-     * http://tinyboard.org/docs/index.php?p=Config/Cache
+     * https://github.com/vichan-devel/vichan/wiki/cache
      */
 
+    // Uses a PHP array. MUST NOT be used in multiprocess environments.
     $config['cache']['enabled'] = 'php';
-    // $config['cache']['enabled'] = 'xcache';
-    // $config['cache']['enabled'] = 'apc';
+    // The recommended in-memory method of caching. Requires the extension. Due to how APCu works, this should be
+    // disabled when you run tools from the cli.
+    // $config['cache']['enabled'] = 'apcu';
+    // The Memcache server. Requires the memcached extension, with a final D.
     // $config['cache']['enabled'] = 'memcached';
+    // The Redis server. Requires the extension.
     // $config['cache']['enabled'] = 'redis';
+    // Use the local cache folder. Slower than native but available out of the box and compatible with multiprocess
+    // environments. You can mount a ram-based filesystem in the cache directory to improve performance.
     // $config['cache']['enabled'] = 'fs';
+    // Technically available, offers a no-op fake cache. Don't use this outside of testing or debugging.
+    // $config['cache']['enabled'] = 'none';
 
     // Timeout for cached objects such as posts and HTML.
     $config['cache']['timeout'] = 60 * 60 * 48; // 48 hours
@@ -722,18 +730,18 @@
     // a link to an email address or IRC chat room to appeal the ban.
     $config['ban_page_extra'] = '';
 
-	// Pre-configured ban reasons that pre-fill the ban form when clicked.
-	// To disable, set $config['ban_reasons'] = false;
-	$config['ban_reasons'] = array(
-		array(  'reason' =>  'Low-quality posting',
-				'length' =>  '1d'),
-		array(  'reason' =>  'Off-topic',
-				'length' =>  '1d'),
-		array(  'reason' =>  'Ban evasion',
-				'length' =>  '30d'),
-		array(  'reason' =>  'Illegal content',
-				'length' =>  ''),
-	);
+    // Pre-configured ban reasons that pre-fill the ban form when clicked.
+    // To disable, set $config['ban_reasons'] = false;
+    $config['ban_reasons'] = array(
+        array(  'reason' =>  'Low-quality posting',
+                'length' =>  '1d'),
+        array(  'reason' =>  'Off-topic',
+                'length' =>  '1d'),
+        array(  'reason' =>  'Ban evasion',
+                'length' =>  '30d'),
+        array(  'reason' =>  'Illegal content',
+                'length' =>  ''),
+    );
 
     // How often (minimum) to purge the ban list of expired bans (which have been seen).
     $config['purge_bans'] = 60 * 60 * 12; // 12 hours
@@ -1912,15 +1920,15 @@
         'max_message_length' => 240
     ];
 
-	//Securimage captcha
-	//Note from lainchan PR: "TODO move a bunch of things here"
+    //Securimage captcha
+    //Note from lainchan PR: "TODO move a bunch of things here"
 
-	$config['spam']['valid_inputs'][]='captcha';
-	$config['error']['securimage']=array(
-		'missing'=>'The captcha field was missing. Please try again',
-		'empty'=>'Please fill out the captcha',
-		'bad'=>'Incorrect or expired captcha',
-	);
+    $config['spam']['valid_inputs'][]='captcha';
+    $config['error']['securimage']=array(
+        'missing'=>'The captcha field was missing. Please try again',
+        'empty'=>'Please fill out the captcha',
+        'bad'=>'Incorrect or expired captcha',
+    );
 
     // Meta keywords. It's probably best to include these in per-board configurations.
     // $config['meta_keywords'] = 'chan,anonymous discussion,imageboard,tinyboard';