Typo step2 language

upload/install/language/en-gb/install/step_2.php

@@ -52,7 +52,7 @@
 $_['error_zlib']             = 'Warning: ZLIB extension needs to be loaded for OpenCart to work!';
 $_['error_zip']              = 'Warning: ZIP extension needs to be loaded for OpenCart to work!';
 $_['error_mbstring']         = 'Warning: mbstring extension needs to be loaded for OpenCart to work!';
-$_['error_dom']              = 'Warning: ZIP extension needs to be loaded for OpenCart to work!';
+$_['error_dom']              = 'Warning: DOM/XML extension needs to be loaded for OpenCart to work!';
 $_['error_hash']             = 'Warning: Hash extension needs to be loaded for OpenCart to work!';
 $_['error_xmlwriter']        = 'Warning: XMLWriter extension needs to be loaded for OpenCart to work!';
 $_['error_json']             = 'Warning: JSON extension needs to be loaded for OpenCart to work!';