actually i was 12 not 13

Signed-off-by: thiswillbeyourgithub <26625900+thiswillbeyourgithub@users.noreply.github.com>

Author: thiswillbeyourgithub

_pages/about.md

@@ -14,7 +14,7 @@ I'm Olivier Cornelis, a French psychiatry resident and a self-taught developer /
 
 I took advanced math/physics/chemistry classes in [classe prépa](https://en.wikipedia.org/wiki/Classe_pr%C3%A9paratoire_aux_grandes_%C3%A9coles), then went to [medical school](https://en.wikipedia.org/wiki/Paris_Cit%C3%A9_University) during which I did a 2 months master research internship (french: "stage de M1") at [NeuroSpin](https://fr.wikipedia.org/wiki/NeuroSpin) creating from scratch a cluster plotting and benchmarking library for neuroscience. In 2025 I started [medical residency](https://en.wikipedia.org/wiki/Medical_education_in_France#Third_cycle_of_the_medical_studies) in psychiatry in Paris, France.
 
-I started coding when I was about 13. I'm passionate about open source - most of my code is publicly available on [my github](https://github.com/thiswillbeyourgithub/). Here are my stats:
+I started coding when I was about 12. I'm passionate about open source - most of my code is publicly available on [my github](https://github.com/thiswillbeyourgithub/). Here are my stats:
 
 [![Olivier Cornelis's GitHub stats](https://github-readme-stats.vercel.app/api?username=thiswillbeyourgithub&show_icons=true&theme=transparent)](https://github.com/thiswillbeyourgithub/github-readme-stats)