From 852e2fd5385467a2d7f3c02d77d322a9b88201e9 Mon Sep 17 00:00:00 2001
From: YamaArashi <shadow962@live.com>
Date: Fri, 17 Jun 2016 05:23:56 -0700
Subject: Update INSTALL.md

---
 INSTALL.md | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/INSTALL.md b/INSTALL.md
index 5882a6e45..bced4e182 100644
--- a/INSTALL.md
+++ b/INSTALL.md
@@ -1,3 +1,5 @@
+First, you must put a Pokémon Ruby 1.0 (US) ROM in the root directory of the repository and name it `baserom.gba`. It should have a SHA1 checksum of `f28b6ffc97847e94a6c21a63cacf633ee5c8df1e`. Then, follow the OS-specific instructions below.
+
 # Linux
 
 Install [**devkitARM**](http://devkitpro.org/wiki/Getting_Started/devkitARM).
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