Removed image version preferring latest.

Signed-off-by: Maiero <matteo.maiero@eurotech.com>
diff --git a/content/en_index.php b/content/en_index.php
index 402cd1a..9caa8b1 100755
--- a/content/en_index.php
+++ b/content/en_index.php
@@ -122,7 +122,7 @@
       </p>
       <p><a class="btn btn-info" href="http://eclipse.github.io/kura/intro/raspberry-pi-quick-start.html#eclipse-kuratrade-installation">Install Instructions</a></p>
       <hr>
-      <p><b>Docker</b> run: <b>docker run -d -p 8080:8080 -t eclipse/kura:4.0.0</b></p>
+      <p><b>Docker</b> run: <b>docker run -d -p 8080:8080 -t eclipse/kura</b></p>
       <p><a class="btn btn-warning" href="https://github.com/eclipse/kura/tree/develop/kura/container/kura">Documentation</a></p>
       <hr>
       <p>For other platforms, please refer to the Documentation Page.</p>