Ensure that the "border" command uses logical pixels.

[i3/i3] / docs / userguide

diff --git a/docs/userguide b/docs/userguide
index 2b4491ac839f6ebadf8a02feee32deee513d5028..e67a8c09ce4cadf0533fd42518653bb6de7d21af 100644 (file)
--- a/docs/userguide
+++ b/docs/userguide
@@ -2255,6 +2255,10 @@ and +border none+ to make the client borderless.
 
 There is also +border toggle+ which will toggle the different border styles.
 
+Note that "pixel" refers to logical pixel. On HiDPI displays, a logical pixel
+may be represented by multiple physical pixels, so +pixel 1+ might not
+necessarily translate into a single pixel row wide border.
+
 *Syntax*:
 -----------------------------------------------
 border normal|pixel [<n>]