diff --git a/libs/hbb_common/protos/message.proto b/libs/hbb_common/protos/message.proto
index 1eb6bd078..555b1df43 100644
--- a/libs/hbb_common/protos/message.proto
+++ b/libs/hbb_common/protos/message.proto
@@ -722,7 +722,7 @@ message WindowsSessions {
   uint32 current_sid = 2;
 }
 
-// Query a message from peer.
+// Query messages from peer.
 message MessageQuery {
   // The SwitchDisplay message of the target display.
   // If the target display is not found, the message will be ignored.