Update styleguide.md

Author: basarat

docs/styleguide/styleguide.md

@@ -186,9 +186,9 @@ Use [`tsfmt`](https://github.com/vvakame/typescript-formatter) to automatically
 
 ## Quotes
 
-* Prefer sing quotes (`'`).
+* Prefer sing quotes (`'`) unless escaping.
 
-> Reason: More JavaScript teams do this (e.g. [airbnb](https://github.com/airbnb/javascript), [standard](https://github.com/feross/standard), [npm](https://github.com/npm/npm), [node](https://github.com/nodejs/node), [google/angular](https://github.com/angular/angular/), [facebook/react](https://github.com/facebook/react))
+> Reason: More JavaScript teams do this (e.g. [airbnb](https://github.com/airbnb/javascript), [standard](https://github.com/feross/standard), [npm](https://github.com/npm/npm), [node](https://github.com/nodejs/node), [google/angular](https://github.com/angular/angular/), [facebook/react](https://github.com/facebook/react)). Its easier to type (no shift needed on most keyboards).
 
 > Double quotes are not without merit: Allows easier copy paste of objects into JSON. Allows people to use other languages to work without changing their quote character. Allows you to use apostrophe s e.g. `He's not going.`. But I'd rather not deviate from where the JS Community is fairly decided.