diff --git a/rfcs/text/0008/threat.yml b/rfcs/text/0008/threat.yml
index 5c55961a07..37335b70ef 100644
--- a/rfcs/text/0008/threat.yml
+++ b/rfcs/text/0008/threat.yml
@@ -53,7 +53,7 @@
         * url
         * user-account
         * windows-registry-key
-        * x-509-certificate
+        * x509-certificate
 
     example: ipv4-addr