diff --git a/docs/README.md b/docs/README.md
index 514c2ba..53a7ade 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -63,17 +63,22 @@ A wide list of parameters are available.
 
 #### Recommendation for a media
 
-* `/api/v2/playlist/recommendation/continuousPlayback/{urn}` : get media list object.
+* `/api/v2/playlist/recommendation/continuousPlayback/{urn}` : get recommended medias for a continuous playback purpose.
 	* `standalone` (optional, boolean): Recommendation for the playback mode. Default is `false`.
 	* Returns a `recommendedList` object.
 
-* *Deprecated* `/api/v1/playlist/recommendation/continuousPlayback/{urn}` : get media list object.
+* `/api/v2/playlist/recommendation/relatedContent/{urn}` : get recommended medias for a related content purpose.
 	* `standalone` (optional, boolean): Recommendation for the playback mode. Default is `false`.
+	* Returns a `recommendedList` object.
+
+* *Deprecated* `/api/v1/playlist/recommendation/continuousPlayback/{urn}` : get recommended medias for a continuous playback purpose.	* `standalone` (optional, boolean): Recommendation for the playback mode. Default is `false`.
 	* `format` (optional, string): If set to `urn`, it returns an URN list. Default is `media` and redirects to an IL media list response.
 
+More informations about the [recommendation engine](RECOMMENDATION.md) is available.
+
 #### Personnal recommendation for a user
 
-* `/api/v2/playlist/personalRecommendation` : get media list object.
+* `/api/v2/playlist/personalRecommendation` : get personal recommended medias.
 	* `userId` (optional, string): `UserId` to use for a personal recommendation.
 	* Returns a `recommendedList` object.
 
diff --git a/docs/RECOMMENDATION.md b/docs/RECOMMENDATION.md
index 4977492..78d020c 100644
--- a/docs/RECOMMENDATION.md
+++ b/docs/RECOMMENDATION.md
@@ -9,19 +9,43 @@ Playfff is the middleware to deliver recommendations for Play SRG mobile applica
 
 Since July 2018, Play Android (2.0.207 and more) and Play iOS (2.8.3-272 and more) applications currently use this recommendation service.
 
-## Recommendation type
-
-### Media recommendation list for a media
+## Media recommendation list for a media
 
 The API doesn't not support paginations, therefore mobile applications didn't implement pagination. The media recommendation list must have at least 49 items, the 50th is the requested media.
 
-#### RTS videos
+### Purposes
+
+- `continuousPlayback` is used to display one proposition, with a count down and an autoplay.
+- `relatedContent` is used to display some propositions in a swimlane or a grid, without an autoplay.
+
+| BU Content | Continuous playback | Related content |
+| :--- | :---: | :---: |
+| RSI audios | Pfff RE | Pfff RE |
+| RSI videos | Pfff RE | Pfff RE |
+| RTR audios | Pfff RE | Pfff RE |
+| RTR videos | Pfff RE | Pfff RE |
+| RTS audios | Pfff RE | Pfff RE |
+| RTS videos | **RTS RE** | **RTS RE** |
+| SRF audios | Pfff RE | **SRF RE** |
+| SRF videos | Pfff RE | **SRF RE** |
+| SWI videos | Pfff RE | Pfff RE |
+| Event videos | N/A | N/A |
+| Swisstxt videos | N/A | N/A |
+
+### Recommendation engines used
+
+#### RTS recommendation engine (RTS RE)
 
-- For RTS videos, it asks `rts-datalab.azure-api` recommendation `continuous_playback_endscreen` service.
+- For RTS videos, it can ask `rts-datalab.azure-api` recommendation `continuous_playback_endscreen` service, without personalization.
 
-#### RSI, RTR, SRF, SWI videos and RSI, RTR, RTS and SRF audios
+#### SRF recommendation engine (SRF RE)
 
-- It asks Playfff recommendation. Based on IL requests, without personalization. Here is how it works:
+- For SRF videos and SRF audios, it can ask `IL-MediaList` recommendation `Recommended-byUrn` service, without personalization.
+
+#### Playfff recommendation engine (Pfff RE)
+
+- For RSI, RTR, RTS, SRF, SWI videos and RSI, RTR, RTS, SRF audios, it can ask `Playfff` recommendation.
+- Based on IL requests, without personalization. Here is how it works:
 	- Get `IL-Media`. It returns an empty list if it's a `LIVESTREAM` or a `SCHEDULED_LIVESTREAM`.
 	- Get `IL-EpisodeComposition` with last 100 episodes. Sort episodes with a date ascending order.
 	- Determine if the media is a full length or a clip.
@@ -40,10 +64,14 @@ The API doesn't not support paginations, therefore mobile applications didn't im
 
 - No recommendation provided. It returns an empty list.
 
-### Media recommendation list for a user
+## Media recommendation list for a user
 
 The API doesn't not support paginations, therefore mobile applications didn't implement pagination. The media recommendation list must have at least 50 items.
 
 #### RTS
 
 - With and without an `userId`, it asks `rts-datalab.azure-api` recommendation `play_home_personal_rec` service.
+
+#### Other BUs
+
+- Nothing implemented.