Rename `update_digest` to `update_hs_digest`
diff --git a/include/mbedtls/ssl_internal.h b/include/mbedtls/ssl_internal.h
index eb9885a..bfc3a5a 100644
--- a/include/mbedtls/ssl_internal.h
+++ b/include/mbedtls/ssl_internal.h
@@ -515,7 +515,10 @@
  *              of the logic of (D)TLS from the implementation
  *              of the secure transport.
  *
- * \param  ssl  SSL context to use
+ * \param  ssl              The SSL context to use.
+ * \param  update_hs_digest This indicates if the handshake digest
+ *                          should be automatically updated in case
+ *                          a handshake message is found.
  *
  * \return      0 or non-zero error code.
  *
@@ -581,7 +584,8 @@
  *              following the above definition.
  *
  */
-int mbedtls_ssl_read_record( mbedtls_ssl_context *ssl, unsigned update_digest );
+int mbedtls_ssl_read_record( mbedtls_ssl_context *ssl,
+                             unsigned update_hs_digest );
 int mbedtls_ssl_fetch_input( mbedtls_ssl_context *ssl, size_t nb_want );
 
 int mbedtls_ssl_write_handshake_msg( mbedtls_ssl_context *ssl );