Add docs for target_region replicas field, make error message for it clearer
#669
| Job | Run time |
|---|---|
| 2s | |
| 1m 51s | |
| 1m 53s |
target_region replicas field, make error message for it clearer
#669
| Job | Run time |
|---|---|
| 2s | |
| 1m 51s | |
| 1m 53s |