Update base-notebook/start-notebook.sh

Author: mathbunnyru

base-notebook/start-notebook.sh

@@ -5,7 +5,7 @@
 set -e
 
 if [[ -n "${JUPYTERHUB_API_TOKEN}" ]]; then
-    echo "WARNING: use start-singleuser.sh instead of start-notebook.sh to start a server associated with JupyterHub."
+    echo "WARNING: using start-singleuser.sh instead of start-notebook.sh to start a server associated with JupyterHub."
     exec /usr/local/bin/start-singleuser.sh "$@"
     exit
 fi