Minor rephrasing for EVAL

Author: JJ

doc/Type/Cool.pod6

@@ -1428,11 +1428,11 @@ method EVAL(*%_)
 =for code
 sub EVAL($code where Cool|Blob, :$lang = 'perl6')
 
-The method form calls subroutine form with invocant as C<$code>, passing
-along named args, if any. Subroutine form coerces L<Cool> C<$code> to
-L<Str>. If C<$code> is a L<Blob>, it'll be processed using the same
-encoding as the C<$lang> compiler would: for C<perl6> C<$lang>, uses C<utf-8>;
-for C<Perl5>, processes using the same rules as C<perl>.
+If it is invoked as a method, it actually calls the subroutine form with
+invocant as the first argument, C<$code>, passing along named args, if any; this
+coerces L<Cool> C<$code> to L<Str>. If C<$code> is a L<Blob>, it'll be processed
+using the same encoding as the C<$lang> compiler would: for C<perl6> C<$lang>,
+uses C<utf-8>; for C<Perl5>, processes using the same rules as C<perl>.
 
 This works as-is with a literal string parameter. More complex input,
 such as a variable or string with embedded code, is illegal by default.