diff --git a/README.md b/README.md
index c558801..2cb90b9 100644
--- a/README.md
+++ b/README.md
@@ -9,40 +9,36 @@ the free [GeoLite2 databases](http://dev.maxmind.com/geoip/geoip2/geolite2/).
 
 ## Install via Composer ##
 
-### Define Your Dependencies ###
-
 We recommend installing this package with [Composer](http://getcomposer.org/).
-To do this, add `geoip2/geoip2` to your `composer.json` file. If you don't
-have a `composer.json` file, create one in the root directory of your project.
 
-```json
-{
-    "require": {
-        "geoip2/geoip2": "0.6.*"
-    }
-}
+### Downloading Composer ###
+
+To download Composer, run in the root directory of your project:
+
+```bash
+curl -sS https://getcomposer.org/installer | php
 ```
 
-### Install Composer ###
-
-Run in your project root:
-
-```
-curl -s http://getcomposer.org/installer | php
-```
+You should now have the file `composer.phar` in your project directory.
 
 ### Install Dependencies ###
 
 Run in your project root:
 
 ```
-php composer.phar install
+php composer.phar require geoip2/geoip2:~0.6.3
 ```
 
+You should now have the files `composer.json` and `composer.lock` as well as
+the directory `vendor` in your project directory. If you use a version control
+system, `composer.json` should be added to it.
+
 ### Require Autoloader ###
 
-You can autoload all dependencies by adding this to your code:
-```
+After installing the dependencies, you need to require the Composer autoloader
+from your code:
+
+```php
 require 'vendor/autoload.php';
 ```
 
diff --git a/maxmind-db b/maxmind-db
index f538654..c57c2cc 160000
--- a/maxmind-db
+++ b/maxmind-db
@@ -1 +1 @@
-Subproject commit f53865477d361101969853f8d418458fd58cdc74
+Subproject commit c57c2ccf4a0c7b000cd6cd9a4a4463e7b54d7d2c