fix typo

Author: a-velasco

docs/how-to/upgrade/minor-rollback.md

@@ -5,7 +5,7 @@ After running `juju refresh`, if there are any version incompatibilities in char
 Even if the underlying PostgreSQL cluster continues to work, it’s important to roll back the charm to the {term}`original version` so that an update can be attempted after further inspection of the failure.
 
 ```{attention}
-Only trigger a rollback if the refresh has expicitly failed and cannot continue. Do not initiate a rollback while the refresh process is still running.
+Only trigger a rollback if the refresh has explicitly failed and cannot continue. Do not initiate a rollback while the refresh process is still running.
 
 <!--TODO: examples-->
 ```

docs/how-to/upgrade/minor-upgrade.md

@@ -77,7 +77,7 @@ Units will be refreshed one by one based on role: first the `replica` units, the
 If there are any version incompatibilities in charm revisions, dependencies, or any other unexpected failure in the upgrade process, the process will halt and enter a failure state.
 
 ```{attention}
-Only trigger a rollback if the refresh has expicitly failed and cannot continue. <!--TODO: examples + clarify if you can rollback when refresh is healthy but paused waiting for resume-refresh -->
+Only trigger a rollback if the refresh has explicitly failed and cannot continue. <!--TODO: examples + clarify if you can rollback when refresh is healthy but paused waiting for resume-refresh -->
 ```
 
 ## Resume refresh