diff --git a/.typos.toml b/.typos.toml
index 88d0ee03..75131afb 100644
--- a/.typos.toml
+++ b/.typos.toml
@@ -18,5 +18,6 @@ GUID = "GUID"
 pn = "pn"
 hd = "hd"
 htpt = "htpt"
+CMO = "CMO"
 
 [default.extend-identifiers]