diff --git a/README.md b/README.md
index 079a439..b360896 100644
--- a/README.md
+++ b/README.md
@@ -232,6 +232,9 @@ The app exposes the following [gRPC](https://grpc.io/) services :
     -   waypoints: an array of addresses that represent the waypoints of the journey (only first and last waypoints are used for passenger ads). Note that positions are **required** and **must** be consecutives
     -   comment: optional freetext comment / description about the ad
 
+-   **Update** : Replace the content of an ad
+    Accepts the same data as the `Create` function + an ad id, and replace the given ad with the given data.
+
 -   **Delete** : Delete permanently an ad
 
     ```json
@@ -246,13 +249,16 @@ The app exposes the following [gRPC](https://grpc.io/) services :
 
 The service listens to these RabbitMQ messages:
 
+-   **matcher-ad.created** (to update the status of pending ads)
+-   **matcher-ad.creation-failed** (to update the status of pending ads)
 -   **user.deleted** (to delete the associated ads)
 
 ### Emitted
 
 As mentionned earlier, RabbitMQ messages are sent after these events :
 
--   **ad.created** (message: the created ad informations)
+-   **ad.created** (message: the created ad information)
+-   **ad.updated** (message: the updated ad information)
 -   **ad.deleted** (message: the id of the deleted ad)
 
 ## Tests / ESLint / Prettier