diff --git a/README.md b/README.md
index a1e9098..7c7d3be 100644
--- a/README.md
+++ b/README.md
@@ -2,12 +2,6 @@
 
 [oEmbed-omeka-module] is a module for [Omeka S] that embeds media and defines height and width.
 
-Compatible with
-
-* Vimeo
-* Youtube
-* Sketchfab
-
 ## Install
 
 ```
@@ -18,6 +12,26 @@ mv archiveOembed-omeka-module ArchiveOembed
 rm main.zip
 ```
 
+## Media Providers
+
+Thos Omeka module is compatible with these media providers
+
+* Vimeo
+* Youtube
+* Sketchfab
+
+To add a new provider, edit `./Module.php` and add the provider's name and oEmbed url to the `MEDIA_PROVIDERS_OEMBED` array
+
+```
+const MEDIA_PROVIDERS_OEMBED = [
+    'https://vimeo.com/api/oembed.json?url=' => 'Vimeo',
+    'https://www.youtube.com/oembed?url=' => 'Youtube',
+    'https://sketchfab.com/oembed/?url=' => 'Sketchfab',
+    ... your new provider here ..
+];
+```
+
+
 ## LISENCE
 The module is released under the [MIT] License.