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diff --git a/man/intel.man b/man/intel.man
index 5498f870..9ab9fa2f 100644
--- a/man/intel.man
+++ b/man/intel.man
@@ -132,6 +132,15 @@ have options for selecting adaptors.
.IP
Default: Textured video adaptor is preferred.
.TP
+.BI "Option \*Backlight\*q \*q" string \*q
+Override the probed backlight control interface. Sometimes the automatically
+selected backlight interface may not correspond to the correct, or simply
+most useful, interface available on the system. This allows you to override
+by specifying the entry under /sys/class/backlight to use.
+server log.
+.IP
+Default: Automatic selection.
+.TP
.BI "Option \*qFallbackDebug\*q \*q" boolean \*q
Enable printing of debugging information on acceleration fallbacks to the
server log.