diff --git a/keystone/run.sh b/keystone/run.sh
index 70809df..86b1bb2 100755
--- a/keystone/run.sh
+++ b/keystone/run.sh
@@ -15,7 +15,7 @@ chown _shibd: /etc/shibboleth/sp*.pem
 shibd -f -F &
 
 # If any process fails, kill the rest.
-# This insures the container stops and systemd will restart it.
+# This ensures the container stops and systemd will restart it.
 
 wait -n
 pkill -P $$