diff --git a/README.md b/README.md
index 1f9a11a..be75507 100644
--- a/README.md
+++ b/README.md
@@ -4,4 +4,10 @@ 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**.
 
-Commands added are:
+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.
+
+Packages `geometry`, `inputenc`, `fancyhdr` and `titlesec` are required. The AMS packages need to be loaded in the preamble of the document.
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