Update doc/reference/reference_lua/datetime.rst

Co-authored-by: Elena Shebunyaeva <[email protected]>

Author: tmr-g

doc/reference/reference_lua/datetime.rst

@@ -118,7 +118,7 @@ Functions
                 -   0
 
             *   -   sec
-                -   Seconds. Value range: 0 - 60. A leap second is inchoately supported, see a section :ref:`leap second <leap-second>`.
+                -   Seconds. Value range: 0 - 60. A leap second is supported at the most basic level, see the section :ref:`leap second <leap-second>`.
                 -   number
                 -   0