diff --git a/content/about/index.md b/content/about/index.md
index dcd3d54..8e0cba3 100644
--- a/content/about/index.md
+++ b/content/about/index.md
@@ -46,7 +46,13 @@ Many of my projects and activities can also be found at [microlab.space](https:/
 
 ## Public speaking
 
-These are all existing recordings of some of my talks and presentations, most of which happened at [InstallFest](https://installfest.cz/if22/) and [LinuxDays](https://www.linuxdays.cz/2021/) in Prague, though all of them are only in Czech. Some are very old and the quality is far from good.
+These are all existing recordings of some of my talks and presentations, most of which took place at [InstallFest](https://installfest.cz) and [LinuxDays](https://www.linuxdays.cz) in Prague.
+
+English:
+
+- [Binary Coverage: Finding Blind Spots In Software Testing](https://www.youtube.com/watch?v=hGQAxqRM8jc)
+
+Czech:
 
 - [Instalace FHD IPS displeje na ThinkPad X230](https://www.youtube.com/watch?v=oLWDE_mxJP0)
 - [>install gentoo](https://www.youtube.com/watch?v=KC_QrgJ8mBo)