userguide: remove obsolete sentence about client.background (Thanks Tucos)

diff --git a/docs/userguide b/docs/userguide
index 31b3ef9997b2ab37e6bb65d319a3662b5658c6ff..4bf3cc7969c60c86d61119b4453a02e34e58c3f0 100644 (file)
--- a/docs/userguide
+++ b/docs/userguide
@@ -736,10 +736,7 @@ client.background color
 -----------------------
 
 Only clients that do not cover the whole area of this window expose the color
-used to paint it. If you use a color other than black for your terminals, you
-most likely want to set the client background color to the same color as your
-terminal program's background color to avoid black gaps between the rendered
-area of the terminal and the i3 border.
+used to paint it.
 
 Colors are in HTML hex format (#rrggbb), see the following example: