diff --git a/etc/nsxiv.1 b/etc/nsxiv.1
index e2fb4c8..9b5c243 100644
--- a/etc/nsxiv.1
+++ b/etc/nsxiv.1
@@ -219,12 +219,12 @@ steps.
 .B Ctrl-g
 Reset gamma correction.
 .TP
-.B [
+.B Ctrl-[
 Decrease brightness correction by
 .I count
 steps.
 .TP
-.B ]
+.B Ctrl-]
 Increase brightness correction by
 .I count
 steps.