diff --git a/docs/site/vobox.md b/docs/site/vobox.md
index bca3b393a0cb6a3b274db7d33f063d21ce6d7ea7..9f0898c7a44fa0e1815dab75e00e908c0166cd18 100644
--- a/docs/site/vobox.md
+++ b/docs/site/vobox.md
@@ -18,7 +18,7 @@ General requirements for the VO node agents/services are as follows:
 
 | | |
 |-|-|
-| __OS__ | CentOS/EL7, 64-bit Linux. The machine usually will need to be a WLCG VOBOX |
+| __OS__ | RH/Alma/Rocky EL9, 64-bit Linux. The machine usually will need to be a WLCG VOBOX |
 | __Hardware__ | Minimum 4GB RAM, any standard CPU, 20GB for logs, 5GB cache |
 
 ## Network