Update Doc/library/sqlite3.rst

Co-authored-by: Bénédikt Tran <[email protected]>

Author: erlend-aasland

Doc/library/sqlite3.rst

@@ -464,7 +464,7 @@ Module constants
    using the type name, parsed from the query column name,
    as the converter dictionary key.
    The query column name must be wrapped in double quotes (``"``),
-   and the type name must be wrapped in square brackets (``[]``),
+   and the type name must be wrapped in square brackets (``[]``).
 
    .. code-block:: sql