diff --git a/docs/labwc-config.5.scd b/docs/labwc-config.5.scd
index 8ea88d8f..240f7043 100644
--- a/docs/labwc-config.5.scd
+++ b/docs/labwc-config.5.scd
@@ -175,6 +175,7 @@ this is for compatibility with Openbox.
   <adaptiveSync>no</adaptiveSync>
   <allowTearing>no</allowTearing>
   <autoEnableOutputs>yes</autoEnableOutputs>
+  <hdr>no</hdr>
   <reuseOutputMode>no</reuseOutputMode>
   <xwaylandPersistence>no</xwaylandPersistence>
   <primarySelection>yes</primarySelection>
@@ -240,6 +241,11 @@ this is for compatibility with Openbox.
 	    'pkill kanshi ; wlopm --off \*' resume 'kanshi & wlopm --on \*'
 	```
 
+*<core><hdr>* [yes|no]
+	Automatically enable HDR support on outputs when configuring them,
+	where supported by the particular output device and display. Default
+	is no.
+
 *<core><reuseOutputMode>* [yes|no]
 	Try to re-use the existing output mode (resolution / refresh rate).
 	This may prevent unnecessary screenblank delays when starting labwc
diff --git a/docs/rc.xml.all b/docs/rc.xml.all
index 9755530b..54c9e300 100644
--- a/docs/rc.xml.all
+++ b/docs/rc.xml.all
@@ -13,6 +13,7 @@
     <adaptiveSync>no</adaptiveSync>
     <allowTearing>no</allowTearing>
     <autoEnableOutputs>yes</autoEnableOutputs>
+    <hdr>no</hdr>
     <reuseOutputMode>no</reuseOutputMode>
     <xwaylandPersistence>no</xwaylandPersistence>
     <primarySelection>yes</primarySelection>