diff --git a/IPython/frontend/html/notebook/notebookapp.py b/IPython/frontend/html/notebook/notebookapp.py
index 942c22a..8ddd9a0 100644
--- a/IPython/frontend/html/notebook/notebookapp.py
+++ b/IPython/frontend/html/notebook/notebookapp.py
@@ -473,10 +473,11 @@ class NotebookApp(BaseIPythonApplication):
if not self.ip:
warning = "WARNING: The notebook server is listening on all IP addresses"
if ssl_options is None:
- warning += ", and not using any encryption"
+ self.log.critical(warning + " and not using encryption. This"
+ "is not recommended.")
if not self.password and not self.read_only:
- warning += ", and not using authentication"
- self.log.critical(warning + ". This is highly insecure and not recommended.")
+ self.log.critical(warning + "and not using authentication."
+ "This is highly insecure and not recommended.")
success = None
for port in random_ports(self.port, self.port_retries+1):
try: