diff --git a/src/health.proto b/src/health.proto
index 74e1a4c..556c72b 100644
--- a/src/health.proto
+++ b/src/health.proto
@@ -2,7 +2,6 @@ syntax = "proto3";
 
 package health;
 
-
 service Health {
   rpc Check(HealthCheckRequest) returns (HealthCheckResponse);
 }
@@ -18,4 +17,5 @@ message HealthCheckResponse {
     NOT_SERVING = 2;
   }
   ServingStatus status = 1;
+  string message = 2;
 }