HACKING: set a4paper by default
diff --git a/HACKING.md b/HACKING.md
index 3bd1eb3..c898d96 100644
--- a/HACKING.md
+++ b/HACKING.md
@@ -1,13 +1,11 @@
---
title: Conventions for working on Quagga
papersize: a4paper
-geometry: scale=0.82
+geometry: a4paper,scale=0.82
fontsize: 11pt
toc: true
date: \today
include-before:
- \large This is a living document.
-
\large This is a living document describing the processes and guidelines
for working on Quagga. You *must* read Section
["REQUIRED READING"](#sec:required), before contributing to Quagga.