diff --git a/child/math/people/ermakov.txt b/child/math/people/ermakov.txt
index 2970b5020..c979ed86d 100644
--- a/child/math/people/ermakov.txt
+++ b/child/math/people/ermakov.txt
@@ -3,7 +3,7 @@ https://cloud.mail.ru/public/aFqy/xdWSqULku
 https://www.youtube.com/@user-qo6ro5jx2o
 
 2024
-Siminar - 30.05 of 2:37:06
+Siminar - 30.05 27:00 of 2:37:06
     https://www.youtube.com/watch?v=PZxZ9cJ0N_0
 2020
 NGPI - Popular Math
diff --git a/nontech/ortho/people/mazhuko.txt b/nontech/ortho/people/mazhuko.txt
index 328a9c2a3..e42cab9fa 100644
--- a/nontech/ortho/people/mazhuko.txt
+++ b/nontech/ortho/people/mazhuko.txt
@@ -22,6 +22,8 @@ people
     ! his students - S.S Averintsev, V Bibihin
 
 2024
+Mazhuko - Man with Log of 22:32
+    https://www.youtube.com/watch?v=013wStoUm6E
 FavorStudio - Mazhuko - Pear of Augustin of 10:36
     https://www.youtube.com/watch?v=QOzDAYQ-lY0
 FavorStudio - Mazhuko - Triangle Brother of 11:19