--- a/hgext3rd/topic/__init__.py	Fri Oct 20 20:58:35 2017 +0200
+++ b/hgext3rd/topic/__init__.py	Fri Oct 20 21:43:13 2017 +0200
@@ -1010,7 +1010,7 @@
         elif notopic and maywarn:
             ui.warn(_("warning: new draft commit without topic\n"))
             if not ui.quiet:
-                ui.warn(("(%s)") % hint)
+                ui.warn(("(%s)\n") % hint)
         elif notopic and mayrandom:
             with repo.vfs.open('topic', 'w') as f:
                 f.write(randomname.randomtopicname(ui))