diff --git a/internal/session/encrypting_serializer.go b/internal/session/encrypting_serializer.go
index f54bae6b8..7117f37d4 100644
--- a/internal/session/encrypting_serializer.go
+++ b/internal/session/encrypting_serializer.go
@@ -8,9 +8,6 @@ import (
 	"github.com/fasthttp/session"
 )
 
-// The implementation of Encode and Decode method comes from
-// https://github.com/gtank/cryptopasta/blob/master/hash.go
-
 // EncryptingSerializer a serializer encrypting the data with AES-GCM with 256-bit keys.
 type EncryptingSerializer struct {
 	key [32]byte
diff --git a/internal/utils/aes.go b/internal/utils/aes.go
index a137aaf3b..2cfb64811 100644
--- a/internal/utils/aes.go
+++ b/internal/utils/aes.go
@@ -8,6 +8,9 @@ import (
 	"io"
 )
 
+// The implementation of Encrypt and Decrypt methods comes from
+// https://github.com/gtank/cryptopasta
+
 // Encrypt encrypts data using 256-bit AES-GCM.  This both hides the content of
 // the data and provides a check that it hasn't been altered. Output takes the
 // form nonce|ciphertext|tag where '|' indicates concatenation.