Update README.md

Author: shuguet

README.md

@@ -9,16 +9,16 @@ Because of the way OpenConnect works with the particular Global Protect VPN
 endpoint I'm using (requires a 2FA auth based on an Okta prompt) I actually
 didn't put the connection script in the container image itself.
 
-Instead I just put a generic entrypoint shell script in there that does nothing.
-I pre-loaded the binaries for TOTP creation and the openconnect client in the
-image.
+Instead I just put a generic entrypoint shell script in there that does
+nothing. I pre-loaded the binaries for TOTP creation and the openconnect
+client in the image.
 
-Then I bind-mount a shell script from a /mnt/data dir.
+Then I bind-mount a shell script from a `/mnt/data` sub-directory (so it persists
+across upgrades).
 
 And finally I overload the command at runtime to execute that script instead
 of the built-in info-message/generic entrypoint script.
 
-
 ## Usage:
 
 Edit `connect-example.sh` to match your needs (or create a different