Update doc/usecases/record_elektra/UC_record_changes.md
- An active recording session exists
- **Main success scenario:**
- User makes a change to the key database, e.g. add key, delete key, modify key, modify meta
- - The old & new values for every chagned key and metakey are recorded.
+ - The old & new values for every changed key and metakey are recorded.
- **Alternative scenario:** -
- **Error scenario:** We log that the changes could not be recorded.
