diff --git a/center.md b/center.md
index 2ca44a173..5b030dda5 100644
--- a/center.md
+++ b/center.md
@@ -10,8 +10,10 @@
   - #6 https://www.youtube.com/watch?v=h6D7MGLs4Po
   - #7 https://www.youtube.com/watch?v=UhK6T9ReRwI
   - #8 https://www.youtube.com/watch?v=8WLVkyf2Ojg
-  - #9 https://anagora.org/center
+  - #9 https://www.youtube.com/watch?v=FHRjpS11CbE
+    - corazón
   - #10 https://www.youtube.com/watch?v=giSo0qQIscE
+    - energy
   - #11 https://anagora.org/center
   - #12 https://anagora.org/center
   - #13 https://anagora.org/center