tiny language touch-up

Author: skids

doc/Type/WhateverCode.pod6

@@ -61,8 +61,8 @@ say get-val($c, @a[*-1]) # 2, because the star belongs to the Array class
 This can make the ownership of I<Whatever stars> become confusing rather
 quickly, so be careful not to overdo it.
 
-You type-constraint using L<Callable> type to accept any C<Callable>, including
-C<WhateverCode>:
+You may instead type-constrain using L<Callable> type in order to accept
+any C<Callable>, including C<WhateverCode>:
 
     sub run-with-rand (Callable $code) { $code(rand) };
     run-with-rand *.say;           # OUTPUT: «0.773672071688484␤»