diff --git a/docs/labwc-config.5.scd b/docs/labwc-config.5.scd
index d21db03b..ee734433 100644
--- a/docs/labwc-config.5.scd
+++ b/docs/labwc-config.5.scd
@@ -629,6 +629,7 @@ extending outward from the snapped edge.
+
```
@@ -734,6 +735,24 @@ extending outward from the snapped edge.
By default, this setting is not configured.
+** [six float values split by space]
+ Apply the 3x3 transformation matrix to absolute device coordinates. This
+ matrix has no effect on relative events.
+
+ Given a 6-element array [a b c d e f], the matrix is applied as
+ [ a b c ] [ x ]
+ [ d e f ] * [ y ]
+ [ 0 0 1 ] [ 1 ]
+
+ The most common matrices are:
+ 90 deg cw: 180 deg cw: 270 deg cw: reflect along y axis:
+ [ 0 -1 1] [ -1 0 1] [ 0 1 0 ] [ -1 0 1 ]
+ [ 1 0 0] [ 0 -1 1] [ -1 0 1 ] [ 1 0 0 ]
+ [ 0 0 1] [ 0 0 1] [ 0 0 1 ] [ 0 0 1 ]
+
+ visit https://wayland.freedesktop.org/libinput/doc/latest/absolute-axes.html#calibration-of-absolute-devices
+ for more information
+
## WINDOW RULES
Two types of window rules are supported, actions and properties. They are
diff --git a/docs/rc.xml.all b/docs/rc.xml.all
index 546ee010..4de36af1 100644
--- a/docs/rc.xml.all
+++ b/docs/rc.xml.all
@@ -504,9 +504,7 @@
- tapButtonMap [lrm|lmr]
- clickMethod [none|buttonAreas|clickfinger]
- sendEventsMode [yes|no|disabledOnExternalMouse]
- - calibrationMatrix [six float values split by space],
- visit https://wayland.freedesktop.org/libinput/doc/latest/absolute-axes.html#calibration-of-absolute-devices
- for more information
+ - calibrationMatrix [six float values split by space]
-->