UNIVERSAL.pm docfix

[Lamprecht]

Where
UNIVERSAL.pm

Description
Documentation of method isa. The sentence below makes no sense:

If you want to be sure that you're calling isa as a method, not a class, check the invocand with blessed from Scalar::Util first:

Suggested fix:

index 5e9537daae..79dda9459e 100644
--- a/lib/UNIVERSAL.pm
+++ b/lib/UNIVERSAL.pm
@@ -82,7 +82,7 @@ reference. The L<C operator|perlop/"Class Instance Operator"> is an
alternative that simply returns false in this case, so the C is not
needed.

-If you want to be sure that you're calling C as a method, not a class,
+If you want to be sure that you're calling C on an instance, not a class,
check the invocand with C from LScalar::Util first:

use Scalar::Util 'blessed';

[book]

Thanks, applied as 869c089.