Reword example

Author: zoffixznet

doc/Type/Failure.pod6

@@ -45,7 +45,7 @@ Returns the L<Exception> object that the failure wraps.
     sub failer() { fail };
     my $failure = failer;
     my $ex = $failure.exception;
-    put $ex.^name, ': ', $ex.Str;
+    put "$ex.^name(): $ex";
     # OUTPUT: «X::AdHoc: Failed␤»
 
 =head2 method Bool