typo: "chances" to "changes" (#1018)

Author: tushar5526

docs/reference/troubleshooting/cli-helpers.md

@@ -216,7 +216,7 @@ ubuntu@juju360:~$ curl 10.189.210.55:8008/cluster | jq # where 10.189.210.55 is
 </details>
 
 ```{note}
-The Patroni REST API can be accessed anonymously in read-only mode only. The Juju secret `patroni-password` is mandatory to apply any chances via Patroni REST API.
+The Patroni REST API can be accessed anonymously in read-only mode only. The Juju secret `patroni-password` is mandatory to apply any changes via Patroni REST API.
 ```
 
 Example of authenticated changes via Patroni REST API:
@@ -339,4 +339,4 @@ PGPASSWORD=my$ecretp@ss charmed-postgresql.pg-dumpall -c -U operator -h /tmp  -f
 > sudo ls -la /tmp/snap-private-tmp/snap.charmed-postgresql/tmp/test.sql 
 -rw-rw-r-- 1 ubuntu ubuntu 19416 Jun  4 08:24 /tmp/snap-private-tmp/snap.charmed-postgresql/tmp/test.sql
 ```
-</details>
+</details>