X-Git-Url: https://git.madduck.net/etc/awesome.git/blobdiff_plain/8f5786554f58cae293237590d9fe918158b61561..ac89c4c58d68776dfec1a54c19077a58f1eb76c6:/doc/parse.md

diff --git a/doc/parse.md b/doc/parse.md
index 39529dd..649ee81 100644
--- a/doc/parse.md
+++ b/doc/parse.md
@@ -6,4 +6,7 @@ Functions take the source string and an optional initial postition.
 
 ### `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