Navigation pane and main section numbering doesn't match up

[robotmaxtron]

I'm using Docster on https://www.ergodox.io/ and I noticed if you scroll down to as an example the QMK section, the left navigation says it's 2.3.1 but the main content shows 2.3.0.5.

Full source for the site is available at https://github.com/Ergodox-io/ergodox-io/tree/master/src