diff --git a/docs/pokerth.asn1 b/docs/pokerth.asn1
index 5417a8d0..c655d19f 100644
--- a/docs/pokerth.asn1
+++ b/docs/pokerth.asn1
@@ -132,7 +132,7 @@ AvatarEnd ::= SEQUENCE {
 UnknownAvatar ::= SEQUENCE {
 }
 
-AvatarHash ::= OCTET STRING (SIZE(20)) -- sha-1 hash value
+AvatarHash ::= OCTET STRING (SIZE(16)) -- md5 hash value
 
 NetAvatarType ::= ENUMERATED {
 	avatarImagePng		(1),