minor comment change
diff --git a/rpc_util.go b/rpc_util.go
index 606294b..36af31f 100644
--- a/rpc_util.go
+++ b/rpc_util.go
@@ -183,7 +183,7 @@
 	})
 }
 
-// WithMaxReceiveMessageSize returns a DialOption which sets the maximum message size the client can receive. Negative input is invalid and has the same effect as not setting the field.
+// WithMaxReceiveMessageSize returns a DialOption which sets the maximum message size the client can receive.
 func WithMaxReceiveMessageSize(s int) CallOption {
 	return beforeCall(func(o *callInfo) error {
 		o.maxReceiveMessageSize = &s
@@ -191,7 +191,7 @@
 	})
 }
 
-// WithMaxSendMessageSize returns a DialOption which sets the maximum message size the client can send. Negative input is invalid and has the same effect as not seeting the field.
+// WithMaxSendMessageSize returns a DialOption which sets the maximum message size the client can send.
 func WithMaxSendMessageSize(s int) CallOption {
 	return beforeCall(func(o *callInfo) error {
 		o.maxSendMessageSize = &s