diff --git a/docs/help/in/hilight.in b/docs/help/in/hilight.in
index 58d1d118..6bc64f16 100644
--- a/docs/help/in/hilight.in
+++ b/docs/help/in/hilight.in
@@ -13,6 +13,7 @@
    -level: Match only for <level> messages, default is
            publics,msgs,notices,actions
    -channels: Match only in <channels>
+   -priority: Priority to use when multiple hilights match. Default is 0.
 
 Examples: