diff --git a/README.md b/README.md
index 6791b6d..c960f9a 100644
--- a/README.md
+++ b/README.md
@@ -111,6 +111,11 @@ listen:
       /captcha: ejabberd_captcha
       /upload: mod_http_upload
       /ws: ejabberd_http_ws
+    custom_headers:
+      "Access-Control-Allow-Origin": "*"
+      "Access-Control-Allow-Methods": "OPTIONS, HEAD, GET, PUT"
+      "Access-Control-Allow-Headers": "Authorization"
+      "Access-Control-Allow-Credentials": "true"
   -
     port: 5280
     ip: "::"
@@ -256,7 +261,8 @@ mod_http_upload:
     put_url: "https://xmpp.@HOST@:5444/upload"
     get_url: "https://xmpp.@HOST@:5444/upload"
     docroot: /var/www/upload
-    max_size: 262144000 # 250 MB
+    max_size: 500000000 # 500 MB
+    thumbnail: false
     file_mode: "0644"
     dir_mode: "2755"
     secret_length: 20
@@ -269,6 +275,54 @@ mod_http_upload:
     max_days: 30
 ```
 
+On corrige la configuration de PEP : 
+```
+mod_pubsub:
+    host: "pubsub.@HOST@"
+    access_createnode: pubsub_createnode
+    ignore_pep_from_offline: false
+    last_item_cache: false
+    max_items_node: 1000
+    default_node_config:
+      max_items: 1000
+    plugins:
+      - flat
+      - pep
+    force_node_config:
+      "eu.siacs.conversations.axolotl.*":
+        access_model: open
+      ## Avoid buggy clients to make their bookmarks public
+      storage:bookmarks:
+        access_model: whitelist
+      "urn:xmpp:bookmarks:0":
+        access_model: whitelist
+        send_last_published_item: never
+        persist_items: true
+        max_items: infinity
+      "urn:xmpp:bookmarks:1":
+        access_model: whitelist
+        send_last_published_item: never
+        persist_items: true
+        max_items: infinity
+      "urn:xmpp:pubsub:movim-public-subscription":
+        access_model: whitelist
+        persist_items: true
+        max_items: infinity
+      "storage:bookmarks":
+        access_model: whitelist
+      "urn:xmpp:microblog:0":
+        max_items: infinity
+        access_model: presence
+        notify_retract: true
+        persist_items: true
+      "urn:xmpp:microblog:0:comments*":
+        max_items: infinity
+        access_model: open
+        notify_retract: true
+        persist_items: true
+
+```
+
 Et enfin, pour que les appels audio/vidéo fonctionnent correctement : 
 
 ```