diff --git a/client.go b/client.go
index e40592d..d16ce37 100644
--- a/client.go
+++ b/client.go
@@ -249,7 +249,7 @@ func (c *Client) recv(resp *Response, msg *message) error {
 	}
 
 	if msg.Type != messageTypeResponse {
-		return errors.New("unkown message type received")
+		return errors.New("unknown message type received")
 	}
 
 	defer c.channel.putmbuf(msg.p)
diff --git a/services.go b/services.go
index e909638..fe1cade 100644
--- a/services.go
+++ b/services.go
@@ -76,7 +76,7 @@ func (s *serviceSet) dispatch(ctx context.Context, serviceName, methodName strin
 		switch v := obj.(type) {
 		case proto.Message:
 			if err := proto.Unmarshal(p, v); err != nil {
-				return status.Errorf(codes.Internal, "ttrpc: error unmarshaling payload: %v", err.Error())
+				return status.Errorf(codes.Internal, "ttrpc: error unmarshalling payload: %v", err.Error())
 			}
 		default:
 			return status.Errorf(codes.Internal, "ttrpc: error unsupported request type: %T", v)