diff --git a/pl/cross/methodologies/microservice/trace/jaeger.txt b/devops/tracing/jaeger.txt
similarity index 57%
rename from pl/cross/methodologies/microservice/trace/jaeger.txt
rename to devops/tracing/jaeger.txt
index 3f86b4bdc..2806a877e 100644
--- a/pl/cross/methodologies/microservice/trace/jaeger.txt
+++ b/devops/tracing/jaeger.txt
@@ -4,3 +4,7 @@ https://github.com/jaegertracing/jaeger
 http://jaeger.readthedocs.io/en/latest/
 
 https://eng.uber.com/distributed-tracing/
+
+2024
+JoomCode - Bottlenecks Search using Jaeger ru 0:00 of 29:58
+    https://www.youtube.com/watch?v=7Dyf4AiUAcQ
diff --git a/pl/java/libfws/spring/docs/courses/courses.txt b/pl/java/libfws/spring/docs/courses/courses.txt
index 6990fd842..71b997744 100644
--- a/pl/java/libfws/spring/docs/courses/courses.txt
+++ b/pl/java/libfws/spring/docs/courses/courses.txt
@@ -1,3 +1,5 @@
+https://www.youtube.com/@SeleniumExpress/courses
+
 2024
 Telusko - Spring Framework 5 (IoC) - Dependency Injection 0:00 of 1:20:43
     https://www.youtube.com/watch?v=y4WS8OvIapU