changing onlab.us to onosproject.org

Change-Id: I1b7d1d4ed6690d5fcb2b5e2956e3c6cc44f0cba2
diff --git a/docs/external.xml b/docs/external.xml
index 320cf5c..68d1076 100644
--- a/docs/external.xml
+++ b/docs/external.xml
@@ -39,7 +39,7 @@
         <module>..</module>
     </modules>
 
-    <url>http://onlab.us/</url>
+    <url>http://onosproject.org/</url>
 
     <build>
         <plugins>