diff --git a/doc/DISCLAIMER.md b/doc/DISCLAIMER.md
index aded581..6ac7f0e 100644
--- a/doc/DISCLAIMER.md
+++ b/doc/DISCLAIMER.md
@@ -1,12 +1,12 @@
-* Any known limitations, constrains or stuff not working, such as (but not limited to):
-    * requiring a full dedicated domain ?
-    * architectures not supported ?
-    * not-working single-sign on or LDAP integration ?
-    * the app requires an important amount of RAM / disk / .. to install or to work properly
-    * etc...
+## Requirements
 
-* Other infos that people should be aware of, such as:
-    * any specific step to perform after installing (such as manually finishing the install, specific admin credentials, ...)
-    * how to configure / administrate the application if it ain't obvious
-    * upgrade process / specificities / things to be aware of ?
-    * security considerations ?
+- PHP 5.5.0 or higher.
+- Fileinfo, iconv, zip, tar and mbstring extensions are strongly recommended.
+
+## How to use
+
+:warning: Warning: password is encrypted with <code>password_hash()</code>. to generate new password hash [here](https://tinyfilemanager.github.io/docs/pwd.html)
+
+To enable/disable authentication set `$use_auth` to true or false.
+
+:information_source: Rename the `config-sample.php` file into `config.php` to use configuration, it is an additional configuration file, Feel free to remove completely this file and configure "tinyfilemanager.php" as a single file application.