diff --git a/docs/ecolyo/functionalities/analysis.md b/docs/ecolyo/functionalities/analysis.md
index 2a890593a5cfd46b2ad63ffe071cbb9c7e72de2c..16fcbafb4649e37477337b4dad537dd96b28471c 100644
--- a/docs/ecolyo/functionalities/analysis.md
+++ b/docs/ecolyo/functionalities/analysis.md
@@ -21,6 +21,11 @@ The **Consumption Service** allows us to get the user's consumption on the given
 
 In order to get the accurate consumption estimation, we use the _fluidForecast_ stored in the user's profile. You can see more about it in the next section : [ProfileType](./profile_type.md)
 
+### Navigation
+
+Users have the possibility to navigate between current and previous analysis, month by month, using the **DateNavigator** at the top of the screen. It is not possible to navigate after the last analysis (which is set the next month + 3 days in order to have a month with complete data). For example, the 3rd of June, a user will be able to see his analysis of Mai.
+Users won't be blocked to navigate in previous dates, and if there is no analysis to display, we use the same behavior than in the graph : we display dashes instead of data.
+
 ### Notification
 
 Each month, the user will receive a notification to inform him he can consult his new analysis if he activated it in the option page.