From d881a511470d8c7954f2871ae0ec1c8b106f3983 Mon Sep 17 00:00:00 2001
From: triet <triet.phm@gmail.com>
Date: Sun, 28 Oct 2018 12:34:27 +0700
Subject: [PATCH] Update readme

---
 README.md | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 624e98b..b290d38 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,19 @@
 # pdfjs
-Electron app for viewing PDF with simple vim binding
+Electron app for viewing PDF with simple vim binding.
+
+Using:
+- Electron https://github.com/electron/electron
+- PDF.js https://mozilla.github.io/pdf.js/
+
+Update keyboard shortcuts:
+- PDF.js support many keyboard shortcuts https://github.com/mozilla/pdf.js/wiki/Frequently-Asked-Questions#what-are-the-pdfjs-keyboard-shortcuts, but unfortunately does not support j/k to move up/down.
+- Switch old `j`/`k` (page down/page up) to `d/u`
+- Implement new keybind `j`/`k` to move `down`/`up`
+
+# Install
+
+```
+npm install
+
+npm start
+```