diff --git a/sign/dilithium/gen.go b/sign/dilithium/gen.go
index 4cc69082..41ede82c 100644
--- a/sign/dilithium/gen.go
+++ b/sign/dilithium/gen.go
@@ -61,6 +61,7 @@ func (m Mode) NIST() bool {
 	return strings.HasPrefix(m.Name, "ML-DSA-")
 }
 
+// https://csrc.nist.gov/Projects/computer-security-objects-register/algorithm-registration
 func (m Mode) OidGo() string {
 	ret := "asn1.ObjectIdentifier{"
 	first := true