diff --git a/docs/flatten-rbd-pvc.md b/docs/flatten-rbd-pvc.md
index c8750d15..e1f91393 100644
--- a/docs/flatten-rbd-pvc.md
+++ b/docs/flatten-rbd-pvc.md
@@ -1,7 +1,7 @@
 # Flatten RBD PVC
 
 `flatten-rbd-pvc` command is to flatten the RBD image corresponding to the target RBD PVC.
-Fore more details about flatten, see [the Ceph offical document](https://docs.ceph.com/en/latest/rbd/rbd-snapshot/#flattening-a-cloned-image).
+Fore more details about flatten, see [the Ceph official document](https://docs.ceph.com/en/latest/rbd/rbd-snapshot/#flattening-a-cloned-image).
 
 By flattening RBD images, we can bypass the problems specific to non-flattened cloned image like https://github.com/ceph/ceph-csi/discussions/4360.