Slightly adjust breaks

src/content/language/functions.md

@@ -269,10 +269,10 @@ More about those in the next section.
 ## Function types
 
 You can specify the type of a function, which is known as a *function type*.
-A function type is obtained from a function declaration header by replacing 
-the function name by the keyword `Function`. Moreover, you are allowed to omit 
-the names of positional parameters, but the names of named parameters can't 
-be omitted. For example:
+A function type is obtained from a function declaration header by
+replacing the function name by the keyword `Function`.
+Moreover, you are allowed to omit the names of positional parameters, but
+the names of named parameters can't be omitted. For example:
 
 <?code-excerpt "misc/lib/language_tour/functions.dart (function-type)"?>
 ```dart