Update internal/client/client_batch.go

Co-authored-by: cfzjywxk <[email protected]>

internal/client/client_batch.go

@@ -613,7 +613,7 @@ func (c *batchCommandsClient) send(forwardedHost string, req *tikvpb.BatchComman
 // failPendingRequests fails all pending requests which req.forwardedHost equals to forwardedHost parameter.
 // Why need check `forwardedHost`? Here is an example, when enable-forwarding is true, and this client has network issue with store1:
 //   - some requests are sent to store1 with forwarding, such as forwardedHost is store2, those requests will succeed.
-//   - some requests are sent to store1 without forwarding, and maybe failed then call failPendingRequests,
+//   - some requests are sent to store1 without forwarding, and may fail then `failPendingRequests` would be called,
 //     if we don't check `forwardedHost` and fail all pending requests, the requests with forwarding will be failed too. this may cause some issue:
 //     1. data race. see https://github.com/tikv/client-go/issues/1222 and TestRandomRestartStoreAndForwarding.
 //     2. panic which cause by `send on closed channel`, since failPendingRequests will close the entry.res channel,