diff --git a/gnu/packages/video.scm b/gnu/packages/video.scm
index e756540182d..ed16cd01eac 100644
--- a/gnu/packages/video.scm
+++ b/gnu/packages/video.scm
@@ -7091,7 +7091,10 @@ that should see the keys.
 This package works in Xorg and Wayland since it directly reads the keys from
 the evdev device via libinput.
 
-Users in group @code{wheel} can skip password authentication.")
+Users in group @code{wheel} can skip password authentication.
+
+To use @code{showmethekey-gtk}, you must explicitly install @code{glib} to
+configure the search paths.")
     (home-page "https://github.com/AlynxZhou/showmethekey")
     (license license:asl2.0)))