diff --git a/phpBB/includes/acp/acp_board.php b/phpBB/includes/acp/acp_board.php
index fa6b604c7b..a893935dbd 100644
--- a/phpBB/includes/acp/acp_board.php
+++ b/phpBB/includes/acp/acp_board.php
@@ -278,7 +278,7 @@ class acp_board
 					'title'	=> 'ACP_SERVER_SETTINGS',
 					'vars'	=> array(
 						'legend1'				=> 'ACP_SERVER_SETTINGS',
-						'gzip_compress'			=> array('lang' => 'ENABLE_GZIP',		'validate' => 'bool',	'type' => 'radio:yes_no', 'explain' => false),
+						'gzip_compress'			=> array('lang' => 'ENABLE_GZIP',		'validate' => 'bool',	'type' => 'radio:yes_no', 'explain' => true),
 
 						'legend2'				=> 'PATH_SETTINGS',
 						'smilies_path'			=> array('lang' => 'SMILIES_PATH',		'validate' => 'rpath',	'type' => 'text:20:255', 'explain' => true),
diff --git a/phpBB/language/en/acp/board.php b/phpBB/language/en/acp/board.php
index f0c06ce09f..85dd4bb0bd 100644
--- a/phpBB/language/en/acp/board.php
+++ b/phpBB/language/en/acp/board.php
@@ -307,6 +307,7 @@ $lang = array_merge($lang, array(
 	'ACP_SERVER_SETTINGS_EXPLAIN'	=> 'Here you define server and domain dependant settings. Please ensure the data you enter is accurate, errors will result in emails containing incorrect information. When entering the domain name remember it does include http:// or other protocol term. Only alter the port number if you know your server uses a different value, port 80 is correct in most cases.',
 
 	'ENABLE_GZIP'				=> 'Enable GZip compression',
+	'ENABLE_GZIP_EXPLAIN'		=> 'Generated content will be compressed prior to sending it to the user if his browser supports it. This can reduce network traffic but will also increase CPU usage on both server and client side.',
 	'FORCE_SERVER_VARS'			=> 'Force server URL settings',
 	'FORCE_SERVER_VARS_EXPLAIN'	=> 'If set to yes the server settings defined here will be used in favour of the automatically determined values.',
 	'ICONS_PATH'				=> 'Post icons storage path',