diff --git a/pl/cross/methodologies/legacy-tech-debt.txt b/pl/cross/methodologies/legacy-tech-debt.txt
index d6c2fc554..aa0feb4c6 100644
--- a/pl/cross/methodologies/legacy-tech-debt.txt
+++ b/pl/cross/methodologies/legacy-tech-debt.txt
@@ -1,3 +1,6 @@
+2025
+StuffEng - 043 - Right Work with Legacy Code of 1:35:34
+    https://www.youtube.com/watch?v=m_wWEZzeBrs
 2019
 https://martinfowler.com/bliki/TechnicalDebt.html
 2018
diff --git a/science/algo/distributed/docs/courses.txt b/science/algo/distributed/docs/courses.txt
index d19146956..10ec7ebcf 100644
--- a/science/algo/distributed/docs/courses.txt
+++ b/science/algo/distributed/docs/courses.txt
@@ -1,5 +1,6 @@
 2025
 CTLectures - Elizarov - Distributed Computing
     https://www.youtube.com/playlist?list=PLd7QXkfmSY7ZauEQo6TAoJJW_STAuf6xO
-    p1 - 26:00 of ...
-    https://vkvideo.ru/playlist/-211870343_50
+    p1 - of 1:24:26
+        https://www.youtube.com/watch?v=a6mmBAGlfJU
+        https://vkvideo.ru/playlist/-211870343_50