diff --git a/docs/design_docs/root_coordinator_recovery_on_power_failure.md b/docs/design_docs/root_coordinator_recovery_on_power_failure.md
index 541c39d0aa5613753c03e80d3b8c03297f3c4242..78bc51f70ff9589dc1a8d3be7844b57c4fad439e 100644
--- a/docs/design_docs/root_coordinator_recovery_on_power_failure.md
+++ b/docs/design_docs/root_coordinator_recovery_on_power_failure.md
@@ -95,4 +95,4 @@
 
 ### 2.12 Timestamp of `dd operations`
 
-1. `RC` response is to set the timestamp of `dd operations`, create collection, create partition, drop collection, drop partition, and send this timestamp into `dml msgstream`.
+1. `RootCoord` response is to set the timestamp of `dd operations`, create collection, create partition, drop collection, drop partition, and send this timestamp into `dml msgstream`.