Index: src/bp-templates/bp-nouveau/buddypress/groups/single/admin/edit-details.php
===================================================================
--- src/bp-templates/bp-nouveau/buddypress/groups/single/admin/edit-details.php
+++ src/bp-templates/bp-nouveau/buddypress/groups/single/admin/edit-details.php
@@ -27,6 +27,15 @@
 <label for="group-desc"><?php _e( 'Group Description (required)', 'buddypress' ); ?></label>
 <textarea name="group-desc" id="group-desc" aria-required="true"><?php bp_is_group_create() ? bp_new_group_description() : bp_group_description_editable(); ?></textarea>
 
+<?php
+/**
+ * Fires after the group description admin details.
+ *
+ * @since 1.0.0
+ */
+do_action( 'groups_custom_group_fields_editable' );
+?>
+
 <?php if ( ! bp_is_group_create() ) : ?>
 	<p class="bp-controls-wrap">
 		<label for="group-notify-members" class="bp-label-text">