Update docs/working-with-optional-data.md

Co-authored-by: Antonio Nuno Monteiro <[email protected]>

Author: davesnx

docs/working-with-optional-data.md

@@ -2,7 +2,7 @@
 title: Working with Optional Data
 ---
 
-If you're coming from JavaScript, optional data can be a real pain in the butt. ReasonML removes a *whole class* of `null` and `undefined` bugs which makes your code safer and easier to write, but it takes some good examples to get you there :smile:
+If you're coming from JavaScript, optional data can be a real pain. ReasonML removes a *whole class* of `null` and `undefined` bugs which makes your code safer and easier to write, but it takes some good examples to get you there :smile:
 
 ReasonML uses the `option` type to represent optional data. As defined in the standard library [here](https://reasonml.github.io/api/Option.html).