diff --git a/README.md b/README.md
index 025db1a..c31033c 100644
--- a/README.md
+++ b/README.md
@@ -4,13 +4,16 @@ This is a class dedicated to format your homework. It is designed to be easy to
 
 It is heavily based on the standard `article` class and it accepts all the same optional arguments, except for `twoside` and `twocolumn`, which difficult reading of the finished document. An `spanish`option is added to support the use of spanish; **this does not remove the need for the babel package**.
 
+The default paper size is A4; this can be changed to Letter using `letterpaper` in the options of the class.
+
+Packages `geometry`, `fancyhdr` and `titlesec` are required. All other packages need to be loaded at the preamble of your document.
+
+## Features available 
+
 Commands added that **need** to be used in the preamble are:
 - `\institute{args}`  indicates the institution the homework this is going to be turned in to,
 - `\professor{args}` to indicate the name of the professor,
 - `\class{args}` to indicate the course this homework is intended to be delivered.
 
-The default paper size is A4; this can be changed to Letter using `letterpaper` in the options of the class.
+The `problem` environment is available to put a problem (or anything you want) inside a box.
 
-Packages `geometry`, `inputenc`, `fancyhdr` and `titlesec` are required. Also, UTF-8 needs to be the encoding of the `.tex` file.
-
-The AMS packages need to be loaded in the preamble of the document.