diff --git a/doc/variables.xml b/doc/variables.xml
index 94ce7db9..f87753b8 100644
--- a/doc/variables.xml
+++ b/doc/variables.xml
@@ -1988,6 +1988,15 @@
         enter the password when Conky starts.
         <para /></listitem>
     </varlistentry>
+    <varlistentry>
+        <term>
+            <command>
+                <option>intel_backlight</option>
+            </command>
+        </term>
+        <listitem>Display the brightness of your Intel backlight in percent.
+        <para /></listitem>
+    </varlistentry>
     <varlistentry>
         <term>
             <command>