diff --git a/rootfs/etc/cont-init.d/55-check-snd.sh b/rootfs/etc/cont-init.d/55-check-snd.sh
index 58b805c..83d62b0 100755
--- a/rootfs/etc/cont-init.d/55-check-snd.sh
+++ b/rootfs/etc/cont-init.d/55-check-snd.sh
@@ -14,4 +14,4 @@ fi
 SND_GRP="$(find "$SND_DEV" -maxdepth 1 -not -type d -exec stat -c "%g" {} \; | sort -u | tail -n1)"
 echo "sound device group $SND_GRP."
 
-# vim: set ft=sh :
+# vim:ft=sh:ts=4:sw=4:et:sts=4
diff --git a/rootfs/etc/cont-init.d/55-firefox.sh b/rootfs/etc/cont-init.d/55-firefox.sh
index 49ce48d..936b21c 100755
--- a/rootfs/etc/cont-init.d/55-firefox.sh
+++ b/rootfs/etc/cont-init.d/55-firefox.sh
@@ -57,4 +57,4 @@ do
     fi
 done
 
-# vim: set ft=sh :
+# vim:ft=sh:ts=4:sw=4:et:sts=4
diff --git a/rootfs/etc/cont-init.d/56-firefox-set-prefs-from-env.sh b/rootfs/etc/cont-init.d/56-firefox-set-prefs-from-env.sh
index 8bf288c..0f63392 100755
--- a/rootfs/etc/cont-init.d/56-firefox-set-prefs-from-env.sh
+++ b/rootfs/etc/cont-init.d/56-firefox-set-prefs-from-env.sh
@@ -42,3 +42,5 @@ do
         echo "user_pref(\"$PNAME\", $PVAL);" >> "$PREF_FILE"
     fi
 done
+
+# vim:ft=sh:ts=4:sw=4:et:sts=4