added comments

diff --git a/lib/gnutls_cipher.c b/lib/gnutls_cipher.c
index da710fe9dcce18c5afb36f63fa1a8628bd1eb6a0..1e87d5d2dd4ea5ace56467573584c02297c1402e 100644 (file)
--- a/lib/gnutls_cipher.c
+++ b/lib/gnutls_cipher.c
@@ -373,7 +373,7 @@ compressed_to_ciphertext (gnutls_session_t session,
 
   data_ptr = cipher_data;
 
-  if (explicit_iv)
+  if (explicit_iv) /* TLS 1.1 or later */
     {
       if (block_algo == CIPHER_BLOCK)
         {