diff --git a/nix/local.mk b/nix/local.mk
index dbcdde8b0d05166d7ebea9dd23dc4715a0dc81a6..c136fb7202e5c33f50e58fc5dbe0e3da325e3a9d 100644
--- a/nix/local.mk
+++ b/nix/local.mk
@@ -175,6 +175,7 @@ etc/guix-%.service: etc/guix-%.service.in	\
 	       "$<" > "$@.tmp";		\
 	mv "$@.tmp" "$@"
 
+# The service script for sysvinit.
 sysvinitservicedir = $(sysconfdir)/init.d
 nodist_sysvinitservice_DATA = etc/init.d/guix-daemon