doc: clarify filter option of sqlite.database.applyChangeset

Signed-off-by: Antoine du Hamel <duhamelantoine1995@gmail.com>

Author: aduh95

doc/api/sqlite.md

@@ -820,8 +820,12 @@ added:
 
 * `changeset` {Uint8Array} A binary changeset or patchset.
 * `options` {Object} The configuration options for how the changes will be applied.
-  * `filter` {Function} Skip changes that, when targeted table name is supplied to this function, return a truthy value.
-    By default, all changes are attempted.
+  * `filter` {Function} for each table affected by at least
+     one change in the changeset, the `filter` callback is invoked with the
+     table name as the first argument. If the return value is falsy, then no
+     attempt is made to apply any changes to the table.
+     Otherwise, if the return value is truthy or no `filter` callback is provided,
+     all changes related to the table are attempted.
   * `onConflict` {Function} A function that determines how to handle conflicts. The function receives one argument,
     which can be one of the following values: