Merge pull request #27 from NYTimes/one-line-conditionals

Deeper explanation for one-line conditional reasoning.

README.md

@@ -70,7 +70,7 @@ else {
 
 ## Conditionals
 
-Conditional bodies should always use braces even when a conditional body could be written without braces (i.e., it is one line only) braces should still be used. There are just too many little ways to get burned otherwise.
+Conditional bodies should always use braces even when a conditional body could be written without braces (i.e., it is one line only) to prevent [errors](https://github.com/NYTimes/objective-c-style-guide/issues/26#issuecomment-22074256). These errors include adding a second line and expecting it to be part of the if-statement. Another, [even more dangerous defect](http://programmers.stackexchange.com/a/16530) may happen where the line "inside" the if-statement is commented out, and the next line unwittingly becomes part of the if-statement. In addition, this style is more consistent with all other conditionals, and therefore more easily scannable.
 
 **For example:**
 ```objc