diff --git a/README.rst b/README.rst
index f358685..7201452 100644
--- a/README.rst
+++ b/README.rst
@@ -280,7 +280,7 @@
             - availability_zone_01
             - availability_zone_02
 
-SRIOV
+SR-IOV
 ------
 
 Add PciPassthroughFilter into scheduler filters and NICs on specific compute nodes.