From 99d988431315050a1b346a4339e23b80cbf954d4 Mon Sep 17 00:00:00 2001
From: Vincent Weevers <mail@vincentweevers.nl>
Date: Sat, 29 Jun 2019 09:34:16 +0200
Subject: [PATCH] Document requirements

---
 README.md | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/README.md b/README.md
index 91d71db..7a29f2a 100644
--- a/README.md
+++ b/README.md
@@ -42,6 +42,11 @@ Lint and fix custom files:
 hallmark --fix CHANGELOG.md docs/*.md
 ```
 
+## Requirements
+
+- A `package.json` must exist, with a [`repository`](https://docs.npmjs.com/files/package.json#repository) property
+- The working directory must be a git repository.
+
 ## Opt-in Features
 
 ### Table of Contents