[5.1] com_redirect - inline help for Activate Advanced Mode button (#43435)

* com_redirect - added missing inline help Advanced Mode

Author: pe7er

administrator/components/com_redirect/config.xml

@@ -10,6 +10,7 @@
 			name="mode"
 			type="radio"
 			label="COM_REDIRECT_MODE_LABEL"
+			description="COM_REDIRECT_MODE_DESC"
 			layout="joomla.form.field.radio.switcher"
 			default="0"
 			>

administrator/language/en-GB/com_redirect.ini

@@ -66,6 +66,7 @@ COM_REDIRECT_HEADING_STATUS_CODE_DESC="Status Code descending"
 COM_REDIRECT_MANAGER_LINK_EDIT="Redirects: Edit"
 COM_REDIRECT_MANAGER_LINK_NEW="Redirects: New"
 COM_REDIRECT_MANAGER_LINKS="Redirects: Links"
+COM_REDIRECT_MODE_DESC="The Advanced Mode allows the use of HTTP 1.1 status codes other than the default '301 Permanently Moved'."
 COM_REDIRECT_MODE_LABEL="Activate Advanced Mode"
 COM_REDIRECT_N_ITEMS_ARCHIVED="%d links archived."
 COM_REDIRECT_N_ITEMS_ARCHIVED_1="Link archived."