diff --git a/3.1/docs/introduction/intro.rst b/3.1/docs/introduction/intro.rst
index 128a0d3..52d7168 100644
--- a/3.1/docs/introduction/intro.rst
+++ b/3.1/docs/introduction/intro.rst
@@ -11,10 +11,10 @@ A Self service Apache Kafka Topic Management tool/portal. A Web application whic
 .. raw:: html
 
         <object width="480" height="385"><param name="movie"
-        value="https://youtu.be/KOjdpRtRhEY"></param><param
+        value="http://youtu.be/KOjdpRtRhEY"></param><param
         name="allowFullScreen" value="true"></param><param
         name="allowscriptaccess" value="always"></param><embed
-        src="https://youtu.be/KOjdpRtRhEY"
+        src="http://youtu.be/KOjdpRtRhEY"
         type="application/x-shockwave-flash" allowscriptaccess="always"
         allowfullscreen="true" width="480"
         height="385"></embed></object>
@@ -23,13 +23,13 @@ A Self service Apache Kafka Topic Management tool/portal. A Web application whic
 .. raw:: html
 
     <div style="position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden; max-width: 100%; height: auto;">
-        <iframe src="https://youtu.be/KOjdpRtRhEY" frameborder="0" allowfullscreen style="position: absolute; top: 0; left: 0; width: 100%; height: 100%;"></iframe>
+        <iframe src="http://youtu.be/KOjdpRtRhEY" frameborder="0" allowfullscreen style="position: absolute; top: 0; left: 0; width: 100%; height: 100%;"></iframe>
     </div>
 
 
 .. raw:: html
 
-    <iframe width="560" height="315" src="https://youtu.be/KOjdpRtRhEY" frameborder="0" allowfullscreen></iframe>
+    <iframe width="560" height="315" src="http://youtu.be/KOjdpRtRhEY" frameborder="0" allowfullscreen></iframe>
 
 Background
 ----------