diff --git a/uw_cfg_common.module b/uw_cfg_common.module
index 1be33c425506e722b87ec14569a57d6750cd83e2..30b46c0e316f058116a20c512cfabab0261ff57f 100644
--- a/uw_cfg_common.module
+++ b/uw_cfg_common.module
@@ -1804,6 +1804,11 @@ function uw_cfg_common_field_widget_single_element_link_default_form_alter(array
     if ($field_definition->getName() == 'field_uw_event_host') {
       $element['uri']['#description'] .= ' ' . t('Enter <nolink> to display link text only.');
     }
+
+    // Set custom description only for timeline link field.
+    if ($field_definition->getName() == 'field_uw_timeline_link') {
+      $element['uri']['#description'] = t('Links the entire content to a URL. If entered, do not use links inside the content itself.') . ' ' . $element['uri']['#description'];
+    }
   }
 
   // Add link uri field element validation function.