fix 'verify' option name in readme
@@ -58,10 +58,10 @@ cache [TTL] [ZONES...] {
available as long as it has not been expired for longer than **DURATION** (default 1 hour). By default, the _cache_ plugin will
attempt to refresh the cache entry after sending the expired cache entry to the client. The
responses have a TTL of 0. **REFRESH_MODE** controls the timing of the expired cache entry refresh.
- `verified` will first verify that an entry is still unavailable from the source before sending the expired entry to the client.
+ `verify` will first verify that an entry is still unavailable from the source before sending the expired entry to the client.
`immediate` will immediately send the expired entry to the client before
checking to see if the entry is available from the source. **REFRESH_MODE** defaults to `immediate`. Setting this
- value to `verified` can lead to increased latency when serving stale responses, but will prevent stale entries
+ value to `verify` can lead to increased latency when serving stale responses, but will prevent stale entries
from ever being served if an updated response can be retrieved from the source.
## Capacity and Eviction
