diff --git a/sign/dilithium/dilithium.go b/sign/dilithium/dilithium.go
index b9dd1adb0..2a4b61b28 100644
--- a/sign/dilithium/dilithium.go
+++ b/sign/dilithium/dilithium.go
@@ -40,7 +40,7 @@ type PublicKey interface {
 	Bytes() []byte
 }
 
-// PrivateKey is a Dilithium public key.
+// PrivateKey is a Dilithium private key.
 //
 // The structure contains values precomputed during unpacking/key generation
 // and is therefore significantly larger than a packed private key.