README.md in ffi-libc-0.1.0 vs README.md in ffi-libc-0.1.1

@@ -1,11 +1,13 @@
 # ffi-libc
 
+[![CI](https://github.com/postmodern/ffi-libc/actions/workflows/ruby.yml/badge.svg)](https://github.com/postmodern/ffi-libc/actions/workflows/ruby.yml)
+[![Code Climate](https://codeclimate.com/github/postmodern/ffi-libc.svg)](https://codeclimate.com/github/postmodern/ffi-libc)
+
 * [Source](https://github.com/postmodern/ffi-libc/)
 * [Issues](https://github.com/postmodern/ffi-libc/issues)
-* [Documentation](http://rubydoc.info/gems/ffi-libc)
-* [Email](postmodern.mod3 at gmail.com)
+* [Documentation](https://rubydoc.info/gems/ffi-libc)
 
 ## Description
 
 Useful Ruby FFI bindings for `libc`.
 
@@ -23,12 +25,12 @@
   * {FFI::LibC::Timeval}
   * {FFI::LibC::Timezone}
   * {FFI::LibC::RUsage}
 * Binds to common functions and global variables in `libc`:
   * `errno.h`:
-    * `sys_errlist`
-    * `sys_nerr`
+    * `sys_errlist` (BSD)
+    * `sys_nerr` (BSD)
     * `errno`
   * `unistd.h`:
     * `brk`
     * `sbrk`
     * `getpid`
@@ -105,14 +107,28 @@
 
 * [ffi] ~> 1.0
 
 ## Install
 
-    $ gem install ffi-libc
+```shell
+$ gem install ffi-libc
+```
 
+### gemspec
+
+```ruby
+gem.add_dependency 'ffi-libc', '~> 0.1'
+```
+
+### Gemfile
+
+```ruby
+gem 'ffi-libc', '~> 0.1'
+```
+
 ## License
 
-Copyright (c) 2010-2013 Hal Brodigan
+Copyright (c) 2010-2021 Hal Brodigan
 
 See {file:LICENSE.txt} for license information.
 
 [ffi]: https://github.com/ffi/ffi#readme