fix smart_borders description in manual
The wording for smart_borders was opposite the actual behavior.
@@ -513,9 +513,9 @@ The default colors are:
*smart_borders* on|no_gaps|off
If smart_borders are _on_, borders will only be enabled if the workspace
- only has one visible child (identical to _hide_edge_borders_ smart). If
- smart_borders is set to _no_gaps_, borders will only be enabled if the
- workspace only has one visible child and gaps greater than zero.
+ has more than one visible child (identical to _hide_edge_borders_ smart).
+ If smart_borders is set to _no_gaps_, borders will only be enabled if the
+ workspace has more than one visible child and gaps equal to zero.
*smart_gaps* on|off
If smart_gaps are _on_ gaps will only be enabled if a workspace has more
