diff --git a/trace.graphqls b/trace.graphqls
index 88b7b038f28e9b353f1287cf938b01f435593cb8..acdb9506a96a96d98ddd551932502a132c413d07 100644
--- a/trace.graphqls
+++ b/trace.graphqls
@@ -32,8 +32,8 @@ type BasicTrace {
 
 # Represent the conditions used for query TraceBrief
 input TraceQueryCondition {
-    # The value of 0 means all service.
-    serviceId: Int
+    # The value of 0 means all endpoints.
+    endpointId: Int
     traceId: String
     operationName: String
     # The time range of traces started