Merge pull request #1472 from SEKOIA-IO/Update_event_hub_doc

Update event_hub.md

_shared_content/operations_center/integrations/event_hub.md

@@ -72,14 +72,14 @@ When your **Event Hub Namespace** is created you can create an **Event Hub** ins
 
 1. Navigate to [Home > Event Hubs](https://portal.azure.com/#view/HubsExtension/BrowseResource/resourceType/Microsoft.EventHub%2Fnamespaces) > company-eventhubnamespace > eventhubname | Shared access policies. 
 2. Create a policy (e.g. `sekoiaio`) with the claims `Listen`.
-<div style="text-align: center;">
-    <img width="90%" alt="image" src="/assets/operation_center/integration_catalog/cloud_and_saas/event_hub/shared_access_policies_instance.png">
-</div>
+    <div style="text-align: center;">
+        <img width="90%" alt="image" src="/assets/operation_center/integration_catalog/cloud_and_saas/event_hub/shared_access_policies_instance.png">
+    </div>
 
 3. Once created, click on the policy.
-<div style="text-align: center;">    
-    <img width="90%" alt="image" src="/assets/operation_center/integration_catalog/cloud_and_saas/event_hub/connection_string.png">
-</div>
+    <div style="text-align: center;">    
+        <img width="90%" alt="image" src="/assets/operation_center/integration_catalog/cloud_and_saas/event_hub/connection_string.png">
+    </div>
 
 !!! info
     Carefully store the connection string–primary key that will be used for sekoia playbook configuration.