lyb parser DOC add missing comments
diff --git a/src/parser_lyb.c b/src/parser_lyb.c
index 2756bb7..165b78f 100644
--- a/src/parser_lyb.c
+++ b/src/parser_lyb.c
@@ -327,6 +327,7 @@
  * @brief Parse YANG model info.
  *
  * @param[in] lybctx LYB context.
+ * @param[in] parse_options Flag with options for parsing.
  * @param[out] mod Parsed module.
  * @return LY_ERR value.
  */
@@ -807,7 +808,8 @@
  *
  * @param[in] lybctx LYB context.
  * @param[in] parent Data parent of the subtree, must be set if @p first is not.
- * @param[in,out] first First top-level sibling, must be set if @p parent is not.
+ * @param[in,out] first_p First top-level sibling, must be set if @p parent is not.
+ * @param[out] parsed Set of all successfully parsed nodes.
  * @return LY_ERR value.
  */
 static LY_ERR
@@ -1051,6 +1053,7 @@
  * @brief Parse used YANG data models.
  *
  * @param[in] lybctx LYB context.
+ * @param[in] parse_options Flag with options for parsing.
  * @return LY_ERR value.
  */
 static LY_ERR