DOCS-524 change recommendation to example

Author: kay-kim

source/reference/command/compact.txt

@@ -55,9 +55,9 @@ compact
 
      .. versionadded:: v2.2
 
-   In production deployments, collections should always have at least
-   100 bytes of padding, and generally have a padding factor that is
-   10% of the average document size.
+     The following example runs the :dbcommand:`compact`
+     command with the ``paddingBytes`` set to ``100`` bytes and the
+     ``paddingFactor`` set to ``1.1``.
 
    .. code-block:: javascript