Re-indent tip and screenshot

Author: gregheo

README.markdown

@@ -112,8 +112,12 @@ If you need to expose a Swift type for use within Objective-C you can provide a
 
 ## Spacing
 
-* Indent using 2 spaces rather than tabs to conserve space and help prevent line wrapping. Be sure to set this preference in Xcode.
+* Indent using 2 spaces rather than tabs to conserve space and help prevent line wrapping. Be sure to set this preference in Xcode as shown below:
+
+  ![Xcode indent settings](screens/indentation.png)
+
 * Method braces and other braces (`if`/`else`/`switch`/`while` etc.) always open on the same line as the statement but close on a new line.
+* Tip: You can re-indent by selecting some code (or ⌘A to select all) and then Control-I (or Editor\Structure\Re-Indent in the menu). Some of the Xcode template code will have 4-space tabs hard coded, so this is a good way to fix that.
 
 **Preferred:**
 ```swift
@@ -508,6 +512,7 @@ This style guide is a collaborative effort from the most stylish raywenderlich.c
 * [Matthijs Hollemans](https://github.com/hollance)
 * [Erik Kerber](https://github.com/eskerber)
 * [Christopher LaPollo](https://github.com/elephantronic)
+* [Ben Morrow](https://github.com/benmorrow)
 * [Andy Pereira](https://github.com/macandyp)
 * [Ryan Nystrom](https://github.com/rnystrom)
 * [Cesare Rocchi](https://github.com/funkyboy)