diff --git a/docs/operators/handbook.md b/docs/operators/handbook.md
index 2cdd0af..b39397c 100644
--- a/docs/operators/handbook.md
+++ b/docs/operators/handbook.md
@@ -479,8 +479,8 @@ COMPOSE_FILE="$COMPOSE_FILE:compose.wildcard.yml"
 2. Generate a self-signed certificate using the [command listed here](https://letsencrypt.org/docs/certificates-for-localhost/#making-and-trusting-your-own-certificates). Unless using `localhost` you may want to edit that where it appears in the command, and/or add multiple (sub)domains to the certificate e.g: `subjectAltName=DNS:localhost,DNS:myapp.localhost`
 3. Run these commands:
 ```
-abra app secret insert localhost ssl_cert v1 "$(cat localhost.crt)"
-abra app secret insert localhost ssl_key v1 "$(cat localhost.key)"
+abra app secret insert localhost ssl_cert v1 localhost.crt -f
+abra app secret insert localhost ssl_key v1 localhost.key -f
 ```
 4. Re-deploy `traefik` with `--force` and voila!