Update exercises/concept/squeaky-clean/.docs/introduction.md

Co-authored-by: Cedd Burge <[email protected]>

exercises/concept/squeaky-clean/.docs/introduction.md

@@ -4,7 +4,8 @@
 
 The `Char` type represents the smallest addressable components of text.
 Multiple `Char`s can comprise a string such as `"word"` or they can be
-processed independently. Their literals have single quotes e.g. `'A'`.
+processed independently.
+Their literals have single quotes e.g. `'A'`.
 
 Elm `Char` and `String` support Unicode encoding so in addition to the latin character set pretty much all the writing systems in use can be represented, e.g. the Greek letter `'β'`.