Update class comment.

1 files changed, 3 insertions, 1 deletions

diff --git a/searchcore/src/vespa/searchcore/proton/common/replay_feedtoken_state.h b/searchcore/src/vespa/searchcore/proton/common/replay_feedtoken_state.h
index e0993beeb67..512f12a50af 100644
--- a/searchcore/src/vespa/searchcore/proton/common/replay_feedtoken_state.h
+++ b/searchcore/src/vespa/searchcore/proton/common/replay_feedtoken_state.h
@@ -8,7 +8,9 @@
 namespace proton::feedtoken {
 
 /*
- * Feed token state used during replay.
+ * Feed token state used during replay. It contains a throttler token
+ * which allows the related shared operation throttler to track the completion
+ * of the feed operation.
  */
 class ReplayState : public IState {
     vespalib::SharedOperationThrottler::Token _throttler_token;