diff --git a/ed25519/ed25519.go b/ed25519/ed25519.go
index a7828345fc..ee5a9842ae 100644
--- a/ed25519/ed25519.go
+++ b/ed25519/ed25519.go
@@ -23,12 +23,20 @@ import (
 
 const (
 	// PublicKeySize is the size, in bytes, of public keys as used in this package.
+	//
+	// This const is an alias for [crypto/ed25519.PublicKeySize].
 	PublicKeySize = 32
 	// PrivateKeySize is the size, in bytes, of private keys as used in this package.
+	//
+	// This const is an alias for [crypto/ed25519.PrivateKeySize].
 	PrivateKeySize = 64
 	// SignatureSize is the size, in bytes, of signatures generated and verified by this package.
+	//
+	// This const is an alias for [crypto/ed25519.SignatureSize].
 	SignatureSize = 64
 	// SeedSize is the size, in bytes, of private key seeds. These are the private key representations used by RFC 8032.
+	//
+	// This const is an alias for [crypto/ed25519.SeedSize].
 	SeedSize = 32
 )