docs(iscapitalized): fix instructions

subjects/iscapitalized/README.md

@@ -2,7 +2,7 @@
 
 ### Instructions
 
-Write a function `IsCapitalized` that takes a `string` as an argument and returns `true` if each word in the `string` begins with either an uppercase letter or a non-alphabetic character.
+Write a function `IsCapitalized()` that takes a `string` as an argument and returns `true` if each word in the `string` begins with either an uppercase letter or a non-alphabetic character.
 
 - If any of the words begin with a lowercase letter return `false`.
 - If the `string` is empty return `false`.