diff --git a/public/roadmap-content/computer-science.json b/public/roadmap-content/computer-science.json
index d907cfa37..9f6aeed3a 100644
--- a/public/roadmap-content/computer-science.json
+++ b/public/roadmap-content/computer-science.json
@@ -825,11 +825,6 @@
         "url": "https://www.programiz.com/dsa/asymptotic-notations",
         "type": "article"
       },
-      {
-        "title": "CS 61B Lecture 19: Asymptotic Analysis",
-        "url": "https://archive.org/details/ucberkeley_webcast_VIS4YDpuP98",
-        "type": "article"
-      },
       {
         "title": "Big-O Cheat Sheet",
         "url": "https://www.bigocheatsheet.com/",
@@ -854,6 +849,11 @@
         "title": "Asymptotic Notation - CS50",
         "url": "https://www.youtube.com/watch?v=iOq5kSKqeR4",
         "type": "video"
+      },
+      {
+        "title": "CS 61B Lecture 19: Asymptotic Analysis",
+        "url": "https://archive.org/details/ucberkeley_webcast_VIS4YDpuP98",
+        "type": "video"
       }
     ]
   },