Update lang.php

dev/lang.php

@@ -5,7 +5,7 @@
 	'profilesync__Steam' => 'Steam',
 	'login_steam' => 'Sign in with Steam',
 	'login_steam_key' => 'Steam API Key',
-	'login_steam_key_desc' => 'Entering a Steam API Key will provide additional features. You can find or register for an api key <a href="http://steamcommunity.com/dev/apikey" target="_blank">here</a>.',
+	'login_steam_key_desc' => 'Entering a Steam API Key will provide additional features. You can find or register for an api key <a href="https://steamcommunity.com/dev/apikey" target="_blank">here</a>.',
 	'login_steam_name' => 'Use Steam Username?',
 	'login_steam_name_desc' => 'If this is set to true then when a new member logs through Steam it will attempt to use their steam username as their username on the forums, if it is taken or If this setting is disabled then they will be prompted to provide a username.',
 );