Fix broken URL

Author: zoffixznet

doc/Language/testing.pod6

@@ -109,7 +109,7 @@ Protocol|http://testanything.org>.
 =item L«C<eval-lives-ok>|/language/testing#index-entry-eval-lives-ok-eval-lives-ok($string,_$description?)»
     — a given string of code does not die when evaled
 
-=item L«C<throws-like>|/language/testing#index-entry-throws-like)»
+=item L«C<throws-like>|/language/testing#index-entry-throws-like»
     — a given block of code (or string to be evaled) throws a given exception
 
 =head1 Writing tests