desc -> help

Signed-off-by: WaitSpring <me@waitspring.com>

src/PreferencesHook.php

@@ -29,7 +29,7 @@ class PreferencesHook implements GetPreferencesHook {
 			'raw' => true,
 			'default' => (string)$control,
 			'label-message' => 'rnrshook-prefs-label',
-            'desc-message' => 'rnrshook-prefs-label-desc',
+            'help-message' => 'rnrshook-prefs-label-desc',
 			'section' => 'personal/info',
 		];
 		return true;