1 files changed, 6 insertions, 0 deletions
diff --git a/docs/tcp_replication.md b/docs/tcp_replication.md
index d4f7d9ec18..3be8e50c4c 100644
--- a/docs/tcp_replication.md
+++ b/docs/tcp_replication.md
@@ -198,6 +198,12 @@ Asks the server for the current position of all streams.
 
    A user has started or stopped syncing
 
+#### CLEAR_USER_SYNC (C)
+
+   The server should clear all associated user sync data from the worker.
+
+   This is used when a worker is shutting down.
+
 #### FEDERATION_ACK (C)
 
    Acknowledge receipt of some federation data