move installation before about

Readme.md

@@ -3,12 +3,6 @@
 
  The `apex-shell(1)` command allows you to execute commands in an AWS Lambda function via an interactive shell.
 
-## About
-
- Why on earth would you want to do this? Running arbitrary commands in AWS Lambda allows you to do things such as
- verify that AWS roles have adequate permissions to interact with other resources, inspecting what environment variables
- are presented by AWS, or simply taking a peek at the file structure of a Lambda container.
-
 ## Installation
 
 Grab a [binary release](https://github.com/apex/apex-shell/releases), or install via go-get:
@@ -17,6 +11,12 @@ Grab a [binary release](https://github.com/apex/apex-shell/releases), or install
 $ go get github.com/apex/apex-shell
 ```
 
+## About
+
+ Why on earth would you want to do this? Running arbitrary commands in AWS Lambda allows you to do things such as
+ verify that AWS roles have adequate permissions to interact with other resources, inspecting what environment variables
+ are presented by AWS, or simply taking a peek at the file structure of a Lambda container.
+
 ## Usage
 
  First thing to note is that `apex-shell(1)` requires that you run it in an Apex project directory, aka one with a `./project.json`. This is