poolrpc: fix command example that broke API docs
The command example for the `sidecar expectchannel` was incorrect which
lead to the API docs generator erroring out.
@@ -168,7 +168,7 @@ service Trader {
*/
rpc RegisterSidecar (RegisterSidecarRequest) returns (SidecarTicket);
- /* pool: `sidecar expect-channel`
+ /* pool: `sidecar expectchannel`
ExpectSidecarChannel is step 4/4 of the sidecar negotiation between the
provider (the trader submitting the bid order) and the recipient (the trader
receiving the sidecar channel).
