Graceful shutdown blocks on running proxy handler connections (#2789)

internal/daemon/cluster/handlers/worker_service.go

@@ -123,7 +123,7 @@ func (ws *workerServiceServer) Status(ctx context.Context, req *pbs.StatusReques
 
 	if wStat.OperationalState == "" {
 		// If this is an older worker (pre 0.11), it will not have ReleaseVersion and we'll default to active.
-		// Otherwise, default to Uknown.
+		// Otherwise, default to Unknown.
 		if wStat.ReleaseVersion == "" {
 			wStat.OperationalState = server.ActiveOperationalState.String()
 		} else {