Updated phrasing regarding overload.

src/content/docs/Generic Programming/operator-overloading.md

@@ -66,8 +66,9 @@ to get the last element assuming the indexing uses integers.
 
 ## Enabling 'foreach'
 
-In order to use a type with foreach, e.g. `foreach(d : foo)`, at a minimum `[]` and `len` need to
-be implemented. If `&[]` is implemented, foreach by reference is enabled (e.g. `foreach(double* &d : foo)`)
+In order to use a type with foreach, e.g. `foreach(d : foo)`, at a minimum methods 
+with overloads for `[]` (`@operator([])`) and `len` (`@operator(len)`) need to be added. 
+If `&[]` is implemented, foreach by reference is enabled (e.g. `foreach(double* &d : foo)`)
 
 ```c3
 fn double Foo.get(&self, usz i) @operator([])