diff --git a/db/sql/postgres/feature/performance/tools/optimizer/aqo.txt b/db/sql/postgres/feature/performance/tools/optimizer/aqo.txt
new file mode 100644
index 000000000..81fa8645b
--- /dev/null
+++ b/db/sql/postgres/feature/performance/tools/optimizer/aqo.txt
@@ -0,0 +1 @@
+https://github.com/postgrespro/aqo
diff --git a/pl/java/libfws/spring/boot/features/ex-err.txt b/pl/java/libfws/spring/boot/features/ex-err.txt
index c28b60dda..7b9d13259 100644
--- a/pl/java/libfws/spring/boot/features/ex-err.txt
+++ b/pl/java/libfws/spring/boot/features/ex-err.txt
@@ -5,7 +5,7 @@ https://docs.spring.io/spring-boot/docs/current/reference/htmlsingle/#howto.appl
 baeldung
 https://www.baeldung.com/exception-handling-for-rest-with-spring
 2024
-Otus - Exceptions from Java to Spring 6:00 of 2:15:46
+Otus - Exceptions from Java to Spring 8:00 of 2:15:46
     https://www.youtube.com/watch?v=dsSFmPeUezY
 BusyCoderAcademy - 5. Spring Boot Rest Project Employee Mgt Application with Ex handling Validation||Rajeev Gupta of 1:31:30
     https://www.youtube.com/watch?v=XTk6fz1i9UA