diff --git a/x11-wm/picom/Makefile b/x11-wm/picom/Makefile
index 14e2ce260597..985256966027 100644
--- a/x11-wm/picom/Makefile
+++ b/x11-wm/picom/Makefile
@@ -6,7 +6,7 @@ DISTVERSION=	8
 CATEGORIES=	x11-wm
 
 PATCH_SITES=	https://github.com/${GH_ACCOUNT}/${GH_PROJECT}/commit/
-PATCHFILES+=	78223caea3f7.patch:-p1
+PATCHFILES+=	78223caea3f7.patch:-p1 # https://github.com/yshui/picom/pull/422
 
 MAINTAINER=	jbeich@FreeBSD.org
 COMMENT=	Lightweight X11 compositor