Update authors.md

docs/authors.md

@@ -9,8 +9,8 @@
 | Richard Glosner | backend developer |
 | Tomáš Hájek | exercise designer |
 | Martin Hofbauer | devops, research assistant |
-| Martin Horák | TODO |
-| Martin Juhás | TODO |
+| Martin Horák | product Manager |
+| Martin Juhás | backend lead developer |
 | Michal Krejčíř | exercise designer |
 | Adam Parák | full-stack developer |
 | Katarína Platková | TODO |