Update README.md

Fix typo

Author: sagexfors

README.md

@@ -14,6 +14,6 @@ Omakub is released under the [MIT License](https://opensource.org/licenses/MIT).
 
 ## Extras
 
-While omakub is purposed to be an opiniated take, the open source community offers alternative customization, add-ons, extras, that you can use to adjust, replace or enrich your experience.
+While omakub is purposed to be an opinionated take, the open source community offers alternative customization, add-ons, extras, that you can use to adjust, replace or enrich your experience.
 
-[⇒ Browse the omakub extensions.](EXTENSIONS.md)
+[⇒ Browse the omakub extensions.](EXTENSIONS.md)