diff --git a/plugins/thunderbolt/fu-plugin-thunderbolt.c b/plugins/thunderbolt/fu-plugin-thunderbolt.c
index 7cedf071e..c891b4c3e 100644
--- a/plugins/thunderbolt/fu-plugin-thunderbolt.c
+++ b/plugins/thunderbolt/fu-plugin-thunderbolt.c
@@ -776,7 +776,8 @@ fu_plugin_update (FuPlugin *plugin,
 			g_set_error (error,
 				     FWUPD_ERROR,
 				     FWUPD_ERROR_INVALID_FILE,
-				     "%s",
+				     "%s. "
+				     "See https://github.com/hughsie/fwupd/wiki/Thunderbolt:-Validation-failed-or-unknown-device for more information.",
 				     msg);
 			return FALSE;
 		}