X-Git-Url: https://git.madduck.net/etc/awesome.git/blobdiff_plain/73dc35e2f5590c00b7e6ca3ad6a473f8f992e5f9..03669534f23474ac441b86ce2190e51fdd389b2d:/doc/parse.md

diff --git a/doc/parse.md b/doc/parse.md
index 6d72fdf..649ee81 100644
--- a/doc/parse.md
+++ b/doc/parse.md
@@ -4,6 +4,9 @@ Provides parsers for common time and date formats.
 
 Functions take the source string and an optional initial postition.
 
-## `rfc_3339 ( string [, init] )`
+### `rfc_3339 ( string [, init] )`
 
-Returns a luatz timetable and the (optional) time zone offset in seconds
+If the string is a valid RFC-3339 timestamp,
+returns a luatz timetable and the (optional) time zone offset in seconds.
+
+Otherwise returns `nil` and an error message