docs: minor improvements

Author: Rel1cx

website/pages/docs/configuration.mdx

@@ -48,7 +48,7 @@ This is intended to cover edge cases. We suggest to use this option very sparing
 <Warning>This is an experimental feature that can be unstable and lacks comprehensive documentation.</Warning>
 
 An array of user-defined components, used to inform the ESLint React plugins how to treat these components during checks.\
-This is intended to cover edge cases. We suggest to use this option very sparingly, if at all.\
+This is intended to cover edge cases. We suggest to use this option very sparingly, if at all.
 
 ## Examples