diff --git a/CHANGELOG.txt b/CHANGELOG.txt
index b35d04fd0..6d559f71a 100644
--- a/CHANGELOG.txt
+++ b/CHANGELOG.txt
@@ -8,12 +8,21 @@
         - multiple extensions are available. We choose to use php but you can use other.
         - You can translate your template or module from the admin.
     Admin hooks exist. With this hooks, a module can insert code in admin pages
+    Admin hooks can be display using SHOW_INCLUDE=1 in your query string and in dev mode (http://doc.thelia.net/en/documentation/modules/hook.html)
     change memory_limit parameter in installation process. 128M is now needed
     assets can be used from template directory and from module
     Product, Category, Folder and Content have a dedicated SEO panel
     Allow to configure store information like email, address, phone number, etc.
     email management : http://doc.thelia.net/en/documentation/templates/emails.html
-    Admin hooks can be display using SHOW_INCLUDE=1 in your query string and in dev mode (http://doc.thelia.net/en/documentation/modules/hook.html)
     "How to contribute ?" see http://doc.thelia.net/en/documentation/contribute.html
+    Cache http (use it carefully, default template is not compatible with this cache) :
+        - if you don't know http specification, learn it first http://www.w3.org/Protocols/rfc2616/rfc2616.html
+        - esi tag integrated, use {render_esi path="http://your-taget.tld/resource"}
+        - if no reverse proxy detected, html is render instead of esi tag
+        - if you can't install a reverse proxy like varnish, use the HttpCache (just uncomment line 14 in web/index.php file)
+        - resources :
+            * http://www.mnot.net/cache_docs/ (fr)
+            * http://tomayko.com/writings/things-caches-do (en)
+            * http://symfony.com/doc/current/book/http_cache.html#http-cache-introduction (en and fr)