fix README

QA.md

@@ -14,7 +14,7 @@ Test operations with default key maps.
 - [ ] <kbd>g</kbd><kbd>g</kbd>, <kbd>G</kbd>: scroll to top and bottom
 - [ ] Smooth scroll by `:set smoothscroll`
 - [ ] Non-smooth scroll by `:set nosmoothscroll`
-- [ ] Configure custom hint character by settings `smoothscroll`
+- [ ] Configure custom hint character by settings `"smoothscroll": true`, `"smoothscroll": false`
 
 #### Console
 
@@ -67,8 +67,8 @@ The behaviors of the console are tested in [Console section](#consoles).
 - [ ] Select link and open it in the frame in `<iframe>`/`<frame`> on following by <kbd>f</kbd>
 - [ ] Select link and open it in new tab in `<iframe>`/`<frame`> on following by <kbd>F</kbd>
 - [ ] Select link and open it in `<area>` tags, for <kbd>f</kbd> and <kbd>F</kbd>
-- [ ] Configure custom hint character by `:set hintchars`
-- [ ] Configure custom hint character by settings `hintchars`
+- [ ] Configure custom hint character by `:set hintchars=012345678`
+- [ ] Configure custom hint character by settings `"hintchars": "012345678"`
 
 ### Consoles
 
@@ -124,7 +124,7 @@ The behaviors of the console are tested in [Console section](#consoles).
 ##### Validations
 
 - [ ] show error on invalid json
-- [ ] show error when top-level keys has keys other than `keymaps`, `search`, and `blacklist`
+- [ ] show error when top-level keys has keys other than `keymaps`, `search`, `blacklist`, and `properties`
 
 ###### `"keymaps"` section
 

README.md

@@ -34,6 +34,7 @@ The default mappings are as follows:
 
 #### Tabs
 - <kbd>d</kbd>: delete current tab
+- <kbd>!</kbd><kbd>d</kbd>: delete pinned tab
 - <kbd>u</kbd>: reopen close tab
 - <kbd>K</kbd>, <kbd>J</kbd>: select prev or next tab
 - <kbd>g0</kbd>, <kbd>g$</kbd>: select first or last tab
@@ -50,7 +51,7 @@ The default mappings are as follows:
 - <kbd>[</kbd><kbd>[</kbd>, <kbd>]</kbd><kbd>]</kbd>: find  prev or next links and open it
 - <kbd>g</kbd><kbd>u</kbd>: go to parent directory
 - <kbd>g</kbd><kbd>U</kbd>: go to root directory
-- <kbd>g</kbd><kbd>i</kbd>, <kbd>G</kbd>: focus first input
+- <kbd>g</kbd><kbd>i</kbd>: focus first input
 
 #### Misc
 - <kbd>z</kbd><kbd>i</kbd>, <kbd>z</kbd><kbd>o</kbd>: zoom-in/zoom-out
@@ -102,6 +103,26 @@ Open a URL or search keywords by search engine in new window.
 
 Select tabs by URL or title matched by keywords.
 
+#### `:set` command
+
+`:set` command can set properties on console.
+
+##### `smoothscroll` property
+
+Enable/disable smooth scroll.
+```
+:set smoothscroll   " enable smooth scroll
+:set nosmoothscroll " disable smooth scroll
+```
+
+##### `hintchars` property
+
+Set hint characters
+
+```
+:set hintchars=0123456789
+```
+
 ### Search engines
 
 Vim Vixen supports search by search engines like Google and Yahoo.