diff --git a/doc/DESCRIPTION.md b/doc/DESCRIPTION.md
new file mode 100644
index 0000000..a761690
--- /dev/null
+++ b/doc/DESCRIPTION.md
@@ -0,0 +1 @@
+Mindmaps is a HTML5 based mind mapping application. It lets you create neat looking mind maps in the browser.
diff --git a/doc/DESCRIPTION_fr.md b/doc/DESCRIPTION_fr.md
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index 0000000..6d8af99
--- /dev/null
+++ b/doc/DESCRIPTION_fr.md
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+Mindmaps est une application de mind mapping basée sur HTML5. Il vous permet de créer des cartes mentales soignées dans le navigateur.
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diff --git a/sources/mindmaps-screenshot.jpg b/doc/screenshots/mindmaps-screenshot.jpg
similarity index 100%
rename from sources/mindmaps-screenshot.jpg
rename to doc/screenshots/mindmaps-screenshot.jpg
diff --git a/manifest.json b/manifest.json
index 994435f..905053f 100644
--- a/manifest.json
+++ b/manifest.json
@@ -8,6 +8,12 @@
     },
     "version": "0.0.20201010~ynh2",
     "url": "https://www.mindmaps.app/",
+    "upstream": {
+        "license": "AGPL-3.0",
+        "website": "https://www.mindmaps.app/",
+        "demo": "https://www.mindmaps.app/",
+        "code": "https://github.com/drichard/mindmaps"
+    },
     "license": "AGPL-3.0",
     "maintainer": {
         "name": "",