diff --git a/asciidoc/QuickStart.adoc b/asciidoc/QuickStart.adoc
index 3e75ea4..e494e5a 100644
--- a/asciidoc/QuickStart.adoc
+++ b/asciidoc/QuickStart.adoc
@@ -144,11 +144,11 @@ video::video_file.mp4[width=640, start=60, end=140, options=autoplay]
 
 Embedded Youtube video
 
-video::rPQoq7ThGAU[youtube]
+video::axMLZZNINCU[youtube]
 
 Embedded Vimeo video
 
-video::67480300[vimeo]
+video::154836263[vimeo]
 
 
 
@@ -254,18 +254,19 @@ image::sunset.jpg[Sunset,300,200]
 
 
 
+
+
 video::video_file.mp4[]
 
 video::video_file.mp4[width=640, start=60, end=140, options=autoplay]
 
 Embedded Youtube video
 
-video::rPQoq7ThGAU[youtube]
+video::axMLZZNINCU[youtube]
 
 Embedded Vimeo video
 
-video::67480300[vimeo]
-
+video::154836263[vimeo]
 
 == Run
 
@@ -287,36 +288,9 @@ docker run --rm -v $(pwd):/documents/ registry.vlabs.uniwa.gr:5080/swarmlab-asci
 Please note, there is a **.** in ./path
 ====
 
-== Setup live preview Using a web browser 
-
-
-All you need to preview an AsciiDoc document in a web browser is to install 
-
-- the https://chrome.google.com/webstore/detail/asciidoctorjs-live-previe/iaalpfgpbocpdfblpnhhgllgbdbchmia[Chrome extension] 
-- or the https://addons.mozilla.org/en-US/firefox/addon/asciidoctorjs-live-preview[Firefox add-on] 
-- or the https://addons.opera.com/fr/extensions/details/asciidoctorjs-live-preview[Opera extension] 
-
-Then you can see the AsciiDoc file rendered as HTML just by visiting it!
-
-.Live Preview
-image:tiled-editor-and-web-preview.png[alt="Swarmlab"]
-
-=== Installing the Chrome Extension
-
-. Download https://github.com/asciidoctor/asciidoctor-chrome-extension/releases/download/v1.5.4.100/asciidoctor-chrome-extension.nex[asciidoctor-chrome-extension.nex]
-. Open chrome://extensions
-. Drag'n'drop the `.nex` file into the page to install
-
-=== Installing the Firefox Extension
-
-. Download https://github.com/asciidoctor/asciidoctor-firefox-addon/releases/download/v0.5.3/asciidoctor-firefox-addon-0.5.3-signed.xpi[asciidoctor-firefox-addon.xpi]
-. Open the file with Firefox to install
-
-=== Installing the Opera Extension
+== Using a web browser 
 
-. Dowload https://github.com/asciidoctor/asciidoctor-chrome-extension/releases/download/v1.5.4.100/asciidoctor-chrome-extension.nex[asciidoctor-chrome-extension.nex]
-. Open opera://extensions
-. Drag'n'drop the `.nex` file into the page to install
+You can see the file rendered as HTML just by visiting it!
 
 
 That's all folks! :-)