Update README.md

README.md

@@ -147,7 +147,7 @@ return [
 
 If you don't want any classes to be applied by default then leave this as an empty string. Additionally, the same option is available in sets so you can set default classes on every set.
 
-The sequence in which classes get applied is `<global classes> <set classes> <explicit classes>`. You can always override this by passing an explicit class with your attributes.
+The sequence in which classes get applied is `<global classes> <set classes> <explicit classes>`. You can always override this by passing an explicit class with your attributes. Component classes cannot be overriden.
 
 ## Usage