< > gets converted to html?

I do not see the line starting with < in the book. Perhaps it should be escaped, or the < > should be removed?

programs/oop_simplestclass.txt

@@ -1,2 +1,2 @@
 $ python oop_simplestclass.py
-<__main__.Person instance at 0x10171f518>
+`<__main__.Person instance at 0x10171f518>`