diff --git a/gunicorn/app/base.py b/gunicorn/app/base.py
index c74ea3e8..dbd05bc7 100644
--- a/gunicorn/app/base.py
+++ b/gunicorn/app/base.py
@@ -219,7 +219,8 @@ class Application(BaseApplication):
 
         if self.cfg.daemon:
             if os.environ.get('NOTIFY_SOCKET'):
-                msg = "Warning: you shouldn't specify `daemon = True` when launching by systemd with `Type = notify`"
+                msg = "Warning: you shouldn't specify `daemon = True`" \
+                      " when launching by systemd with `Type = notify`"
                 print(msg, file=sys.stderr, flush=True)
 
             util.daemonize(self.cfg.enable_stdio_inheritance)