Update doc/reference/reference_lua/datetime.rst

Co-authored-by: Andrey Aksenov <[email protected]>

Author: ligurio

doc/reference/reference_lua/datetime.rst

@@ -1154,8 +1154,8 @@ Limitations
 *   The supported date range is from ``-5879610-06-22`` to ``+5879611-07-11``.
 
 *   There were moments in past history when local mean time in some particular zone
-    used timezone offset not representable in a whole minutes, but rather in seconds,
-    i.e. in Moscow before 1918 there used to be offset +2 hours 31 minutes and 19 seconds.
+    used a timezone offset not representable in a whole minutes but rather in seconds.
+    For. example, in Moscow before 1918 there used to be offset +2 hours 31 minutes and 19 seconds.
     See an Olson dump for this period:
 
     .. code-block:: console