diff --git a/docs/index.md b/docs/index.md
index ad7c911..7917645 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -9,7 +9,52 @@ keyboard. Since version 57, Firefox has migrated to the WebExtensions API and
has dropped support for legacy add-ons. Vim Vixen is a new choice for Vim users
since it uses the WebExtensions API.
-## Related links
+## Getting started
-- [Vim Vixen - GitHub](https://github.com/ueokande/vim-vixen)
-- [Vim Vixen - Firefox Add-ons](https://addons.mozilla.org/en-US/firefox/addon/vim-vixen/)
+### Install Vim Vixen
+
+Vim Vixen is supported on Firefox 60 ESR. Please latest version of stable ESR
+from the [download page](https://www.mozilla.org/en-US/firefox/).
+You can install Vim Vixen from [Firefox add-ons (addons.mozilla.org)][AMO], and
+manage installed addon-ons on Firefox preferences `about:preferences`.
+
+### Quick start
+
+After installation, you can control Firefox with vim-like keymaps. To scroll a
+page in the browser, press k, j, h and
+l keys. You can scroll to the top or the bottom of a page by
+gg and G.
+
+To select a left and right of current tab, use K and J
+respectively. To close current tab, use d and to restore closed
+tabs, use u.
+
+To open a link, press f to enter the **follow mode** to select a
+link. Then you can select links by alphabetic keys.
+
+See also [Keymaps](./keymaps.html) for more detailed of keymaps.
+
+### Using commands
+
+Vim Vixen supports command line to run commands that control tabs and opens a
+tab. To open command line, press :.
+
+To open a tab with URL, use `open` command as the following:
+
+```
+:open https://github.com/ueokande/vimvixen
+```
+
+or search keywords with search engine (such as Google) like:
+
+```
+:open How to use Vim
+```
+
+You can see completed commands on [Console commands](./console_commands.html).
+
+## Copyright
+
+Copyright © 2017-2019 by Shin'ya Ueoka
+
+[AMO]: https://addons.mozilla.org/en-US/firefox/addon/vim-vixen/
diff --git a/docs/keymaps.md b/docs/keymaps.md
index 8952392..9ae0c98 100644
--- a/docs/keymaps.md
+++ b/docs/keymaps.md
@@ -7,17 +7,27 @@ title: Keymaps
Keymaps are configurable in the add-on's preferences by navigating to `about:addons` and selecting "Extensions".
The default mappings are as follows:
-## Console
+## Scrolling
-- :: open the console
-- o, t, w: open a page in the current tab, a new tab, or new window
-- O, T, W: similar to o, t, w, but using the current URL
-- b: select tabs by URL or title
-- a: add the current page to your bookmarks
+- k: scroll up
+- j: scroll down
+- h: scroll left
+- l: scroll right
+- Ctrl+U: scroll up half a page
+- Ctrl+D: scroll down half a page
+- Ctrl+B: scroll up a page
+- Ctrl+F: scroll down a page
+- gg: scroll to the top of a page
+- G: scroll to the bottom of a page
+- 0: scroll to the leftmost part of a page
+- $: scroll to the rightmost part of a page
+- m: set a mark for the current position
+- ': jump to a marked position
-See the [console commands](./console_commands.html) section for a more detailed description.
+Lowercase marks (`[a-z]`) store the position of the current tab. Uppercase and
+numeric marks (`[A-Z0-9]`) store the position and the tab.
-## Tabs
+## Select and manage tabs
- d: delete the current tab and select the tab to its right
- D: delete the current tab and select the tab to its left
@@ -33,25 +43,15 @@ See the [console commands](./console_commands.html) section for a more detailed
- zp: pin the curent tab tab
- zd: duplicate the current tab
-## Scrolling
+## Console
-- k: scroll up
-- j: scroll down
-- h: scroll left
-- l: scroll right
-- Ctrl+U: scroll up half a page
-- Ctrl+D: scroll down half a page
-- Ctrl+B: scroll up a page
-- Ctrl+F: scroll down a page
-- gg: scroll to the top of a page
-- G: scroll to the bottom of a page
-- 0: scroll to the leftmost part of a page
-- $: scroll to the rightmost part of a page
-- m: set a mark for the current position
-- ': jump to a marked position
+- :: open the console
+- o, t, w: open a page in the current tab, a new tab, or new window
+- O, T, W: similar to o, t, w, but using the current URL
+- b: select tabs by URL or title
+- a: add the current page to your bookmarks
-Lowercase marks (`[a-z]`) store the position of the current tab. Uppercase and
-numeric marks (`[A-Z0-9]`) store the position and the tab.
+See the [console commands](./console_commands.html) section for a more detailed description.
## Zoom