Fix typo of `specified`
Fixes a typo in a comment in `list_circuits` from `specifie` ->
`specified`.
// limitations under the License.
//! Used by operations to retrieve all `AdminServiceEvent` instances in the database that match
-//! the specifie event IDs.
+//! the specified event IDs.
use std::collections::HashMap;
use std::convert::TryFrom;
