diff --git a/app/log/command/config.proto b/app/log/command/config.proto
index 7308e1571..3a337321e 100644
--- a/app/log/command/config.proto
+++ b/app/log/command/config.proto
@@ -20,5 +20,7 @@ message FollowLogResponse {
 
 service LoggerService {
   rpc RestartLogger(RestartLoggerRequest) returns (RestartLoggerResponse) {}
+
+  //Unstable interface
   rpc FollowLog(FollowLogRequest) returns (stream FollowLogResponse) {};
 }