docs: Change work choice in MongoNetworkTimeoutError description

Author: W-A-James

docs/errors.md

@@ -158,7 +158,7 @@ These are errors which prevent the driver from connecting to a mongo server inst
 
 - #### `MongoNetworkTimeoutError`
 
-  - Thrown when a timeout expires in attempting to connect to the mongo server
+  - Thrown when a timeout expires while attempting to connect to the mongo server
 
 ## `MongoServerError`