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diff --git a/src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb.cc b/src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb.cc
index 01d05db..e7526cb 100644
--- a/src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb.cc
+++ b/src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb.cc
@@ -1004,7 +1004,8 @@
// A channel arg indicating the target is a grpclb load balancer.
grpc_channel_arg_integer_create(
const_cast<char*>(GRPC_ARG_ADDRESS_IS_GRPCLB_LOAD_BALANCER), 1),
- // A channel arg indicating the target is a grpclb load balancer.
+ // A channel arg indicating this is an internal channels, aka it is
+ // owned by components in Core, not by the user application.
grpc_channel_arg_integer_create(
const_cast<char*>(GRPC_ARG_CHANNELZ_CHANNEL_IS_INTERNAL_CHANNEL), 1),
};