Update doc/reference/reference_lua/datetime.rst

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

Author: tmr-g

doc/reference/reference_lua/datetime.rst

@@ -267,7 +267,7 @@ Functions
 
     By default fields that are not specified are equal to appropriate values in a Unix time.
 
-    Leap second is inchoately supported, see a section :ref:`leap second <leap-second>`.
+    Leap second is supported at the most basic level, see the section :ref:`leap second <leap-second>`.
 
     :param string input_string: string with the date and time information.
     :param string format: indicator of the ``input_string`` format.