edit poc

poc-datacollector/modules/ROOT/pages/index-nodejs.adoc

@@ -1,6 +1,6 @@
 =  NodeJS -> services readmongo_service, dummy_service
 
-
+== asynchronous event-driven
 
 TIP: As an asynchronous event-driven JavaScript runtime, Node.js is designed to build scalable network applications.
 
@@ -29,6 +29,7 @@ In Node.js, there is no such start-the-event-loop call.
 - *Node.js exits the event loop* when there are *no more callbacks to perform.*
 ====
 
+== threads
 
 Node.js being *designed without threads* doesn't mean you can't take advantage of multiple cores in your environment.
 
@@ -37,7 +38,7 @@ Child processes can be spawned by using our *child_process.fork() API,* and are
 TIP: Built upon that same interface is the cluster module, which *allows you to share sockets between processes* to enable load balancing over your cores.
 
 
-=== Video = intro
+== Video = intro
 
 
 ****