fix use decl code example in reference
@@ -1063,7 +1063,7 @@ mod foo {
extern crate core;
use foo::core::iter; // good: foo is at crate root
-// use core::iter; // bad: native is not at the crate root
+// use core::iter; // bad: core is not at the crate root
use self::baz::foobaz; // good: self refers to module 'foo'
use foo::bar::foobar; // good: foo is at crate root
