Adjust documentation to gettext.

config.sample.inc.php

@@ -94,7 +94,7 @@ $cfg['SaveDir'] = '';
 
 /**
  * Default language to use, if not browser-defined or user-defined
- * (you find all languages in the file libraries/select_lang.lib.php)
+ * (you find all languages in the locale folder)
  * uncomment the desired line:
  * default = 'en'
  */

libraries/config.default.php

@@ -1932,8 +1932,7 @@ $cfg['DefaultLang'] = 'en';
 $cfg['DefaultConnectionCollation'] = 'utf8_general_ci';
 
 /**
- * Force: always use this language - must be defined in
- *        libraries/select_lang.lib.php
+ * Force: always use this language
  * $cfg['Lang'] = 'en';
  *
  * Regular expression to limit listed languages, e.g. '^(cs|en)' for Czech and