diff --git a/_posts/2009-10-06-Chaostreff.markdown b/_posts/2009-10-06-chaostreff.markdown similarity index 100% rename from _posts/2009-10-06-Chaostreff.markdown rename to _posts/2009-10-06-chaostreff.markdown diff --git a/_posts/2009-10-20-Chaostreff.markdown b/_posts/2009-10-20-chaostreff.markdown similarity index 100% rename from _posts/2009-10-20-Chaostreff.markdown rename to _posts/2009-10-20-chaostreff.markdown diff --git a/_posts/2009-10-21-Hackerspace-Koordinierungstreffen.markdown b/_posts/2009-10-21-hackerspace-koordinierungstreffen.markdown similarity index 100% rename from _posts/2009-10-21-Hackerspace-Koordinierungstreffen.markdown rename to _posts/2009-10-21-hackerspace-koordinierungstreffen.markdown