diff --git a/TODO.md b/TODO.md
index e1a9785..ef3225c 100644
--- a/TODO.md
+++ b/TODO.md
@@ -1,9 +1,12 @@
 * Finish all local storage API (remove scheduled, add ingredient, etc..)
 * Find an elegant/global way to adapt the quantities to servings (e.g. shopping list)
 * FIX: when the event blur is triggered when changing page, the async process doesn't finish all the time
-* User can change default_servings in profile
+    * No easy way found: Http requests (fetch) are done in spawn_local function (async)
+    * We can't block the callback 'beforeunload' : https://developer.mozilla.org/en-US/docs/Web/API/Window/unload_event
+        * But we may cancel the page unload with a message if the request is not finished
+    * Maybe use ServiceWorker : https://developer.mozilla.org/en-US/docs/Web/API/ServiceWorker
 * Add a way to retrieve a backup of the database (only if admin)
-    * Maybe make a dev-page with logs and other tools/information
+    * Maybe make a dev-page with logs and other tools/information (toast and modal window test)
 * Can choose servings number in recipe view
     * Default number is the user setting user.default_servings
     * A symbol show the native recipe servings number
@@ -13,6 +16,7 @@
     * Two CSS: one for desktop and one for mobile
     * Use CSS flex/grid to define a good design/layout
 * CSS for dark mode + autodetect
+    * How to change css on the fly ? Have a dynamic css in main ?
 * CSS for toast and modal dialog
 * Calendar: Choose the first day of the week
 * i18n: prefix uri with the language: /fr/recipe/view/2 (do it for all intern href)
@@ -21,11 +25,14 @@
     Use FTS5:
         https://sqlite.org/fts5.html
         https://www.sqlitetutorial.net/sqlite-full-text-search/
-* Use of markdown for some field (how to add markdown as askama filter?)
+* Markdown is used for recipe.description for the moment: define some CSS rules specific for this field (h1, h2, etc.)
 * Quick search left panel by tags ?
-* Make the home page: Define what to display to the user
 * Show existing tags when editing a recipe
 
+[ok] Use of markdown for some field (how to add markdown as askama filter?)
+    * Maybe this crate: https://crates.io/crates/comrak
+[ok] Make the home page: Define what to display to the user
+[ok] User can change default_servings in profile
 [ok] Add a table for website global settings with two column: name + value
     * Add a boolean settings to enable/disable new inscription
 [ok] Add a [is_admin] flag to [User] table