diff --git a/docs/ecolyo/functionalities/usage_events_tracking.md b/docs/ecolyo/functionalities/usage_events_tracking.md
index dd28afbc0664d4d33f605cb2d9d622c341b2fe84..2704c2e78c5b5a733f87676b849aa026acd02894 100644
--- a/docs/ecolyo/functionalities/usage_events_tracking.md
+++ b/docs/ecolyo/functionalities/usage_events_tracking.md
@@ -28,16 +28,18 @@ During the use of the application we stored some events link to an user action.
 | Consumption | ConsumptionChangeTimeStepEvent | TimeStep       |                      | Fluid                 | User changes timeStep of its consumption. |
 | Consumption | ConsumptionInteracteEvent      |                |                      | Fluid / TimeStep      | User selects a consumption on the chart.  |
 
-All events are stored with the *aggregated* flag to false to allow the identification of new events.
+All events are stored with the _aggregated_ flag to false to allow the identification of new events.
 
 ## Usage events aggregator service
 
 ## Functionnalities
 
-The service will retrieve all new events by filter on the *aggregated* flag to **false** and the event date before than today.
+The service will retrieve all new events by filter on the _aggregated_ flag to **false** and the event date before than today.
 For each aggregator type we will defined the right calculation to apply to create the appropriate indicator:
 
 - calculation of the session time indicator based on ConnectionEvent
+- calculation of the konnectors connected per day based on the fluidStatus
+- calculates if a user launched a duel just after earned 15 stars
 - calculation of the period between 2 different challenges based on the ChallengeLaunchEvent
 - calculation of the period between the first connection and the first challenge based on ChallengeLaunchEvent and ConnectionEvent
 - calculation of an indicator based on a single event
@@ -48,7 +50,7 @@ Once the indicators is calculated we will:
 1. post the indicator to the remote doctype
 2. push the event used to calculate the indicator to a array, which will be used to identify all events taken into account during the process.
 
-At the end of the service, the service will change the *aggregated* flag to **true** for all events present in the array.
+At the end of the service, the service will change the _aggregated_ flag to **true** for all events present in the array.
 
 More technical information are available [here](/ecolyo/services/aggregator_usage_events.md)
 
@@ -56,6 +58,7 @@ More technical information are available [here](/ecolyo/services/aggregator_usag
 
 All indicator are post to a remote doctype, which will allow the application to read a defined external API. This doctype is created by Cozy itself.
 Here are the actual structure of this remote doctype:
+
 ```
 {
   source: string
@@ -66,6 +69,7 @@ Here are the actual structure of this remote doctype:
   groups: { [key: string]: string }
 }
 ```
+
 with:
 
 - source: contains "ecolyo" value.
@@ -73,4 +77,3 @@ with:
 - startDate and endDate: used to defined a period or if not relevant, it contains both the date of the events.
 - value: contains aggreated value (example: number of page viewed on a day).
 - groups: contains all other attribute useful for the indicator (example: context, target, result)
-