Escape newline in bash snippet so the newline doesn't break copy/pasting into a shell window.
RELNOTES: None.
@@ -31,7 +31,7 @@ image with an install wizard.
Installing Homebrew is a one-time setup:
```bash
-/usr/bin/ruby -e "$(curl -fsSL
+/usr/bin/ruby -e "$(curl -fsSL \
https://raw.githubusercontent.com/Homebrew/install/master/install)"
```
