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-rw-r--r--lib/tls13/post_handshake.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/tls13/post_handshake.c b/lib/tls13/post_handshake.c
index 39ae680ab9..9543ca896e 100644
--- a/lib/tls13/post_handshake.c
+++ b/lib/tls13/post_handshake.c
@@ -204,7 +204,9 @@ int _gnutls13_reauth_server(gnutls_session_t session)
* @flags: must be zero
*
* This function performs the post-handshake authentication
- * for TLS 1.3.
+ * for TLS 1.3. The post-handshake authentication is initiated by the server
+ * by calling this function. Clients respond when %GNUTLS_E_REAUTH_REQUEST
+ * has been seen while receiving data.
*
* The non-fatal errors expected by this function are:
* %GNUTLS_E_INTERRUPTED, %GNUTLS_E_AGAIN, as well as