parser data DOC improve flag description
diff --git a/src/parser_data.h b/src/parser_data.h
index 9d79556..4aa7c75 100644
--- a/src/parser_data.h
+++ b/src/parser_data.h
@@ -176,8 +176,9 @@
be checked (length, range, pattern, ...) and if a value can be stored,
it is. Calling separate validation on these data always checks all the
restrictions as well. */
-#define LYD_PARSE_JSON_NULL 0x4000000 /**< Allow using JSON empty value 'null' within JSON input. By default such value
- is not supported and according to RFC 7951 '[null]' shall be used instead. */
+#define LYD_PARSE_JSON_NULL 0x4000000 /**< Allow using JSON empty value 'null' within JSON input, such nodes are
+ silently skipped and treated as non-existent. By default, such values
+ are invalid. */
#define LYD_PARSE_OPTS_MASK 0xFFFF0000 /**< Mask for all the LYD_PARSE_ options. */