Doctest typo fix.

Signed-off-by: Yury-Fridlyand <[email protected]>

docs/user/dql/expressions.rst

@@ -157,23 +157,23 @@ The following rule is applied on coversion: a `TIME` applied to today's date; `D
     fetched rows / total rows = 1/1
     +--------------------+-----------------+-----------------+
     | now.time > today   | now.time.type   | now.date.type   |
-    +--------------------+-----------------+-----------------+
+    |--------------------+-----------------+-----------------|
     | True               | TIME            | DATE            |
     +--------------------+-----------------+-----------------+
 
     os> SELECT current_time() = now() AS `now.time = now`, typeof(current_time()) AS `now.time.type`, typeof(now()) AS `now.type`;
     fetched rows / total rows = 1/1
     +------------------+-----------------+------------+
     | now.time = now   | now.time.type   | now.type   |
-    +------------------+-----------------+------------+
+    |------------------+-----------------+------------|
     | True             | TIME            | DATETIME   |
     +------------------+-----------------+------------+
 
     os> SELECT subtime(now(), current_time()) = current_date() AS `midnight = now.date`, typeof(subtime(now(), current_time())) AS `midnight.type`, typeof(current_date()) AS `now.date.type`;
     fetched rows / total rows = 1/1
     +-----------------------+-----------------+-----------------+
     | midnight = now.date   | midnight.type   | now.date.type   |
-    +-----------------------+-----------------+-----------------+
+    |-----------------------+-----------------+-----------------|
     | True                  | DATETIME        | DATE            |
     +-----------------------+-----------------+-----------------+