Object calisthenics article has broken internal anchors

[diogoosorio]

Right on the article summary, the anchors referencing the different sections are pointing to nonexistent ids.

I didn't go deep into what thing you're using to build the blog (Jekyll or whatnot), but it seems to be disregarding the number prefix of the different heading ids:

## 1. Only One Level Of Indentation Per Method

Appears to yield:

<h2 id="only-one-level-of-indentation-per-method">