diff --git a/main.tex b/main.tex
index 76e336f..9d6cc86 100644
--- a/main.tex
+++ b/main.tex
@@ -1,3 +1,4 @@
+%\documentclass[a4paper, 11pt, draft]{memoir}
 \documentclass[a4paper, 11pt]{memoir}
 
 \usepackage[utf8x]{inputenc}
@@ -8,7 +9,7 @@
 \makeindex
 
 % Customization
-\usepackage[charter]{mathdesign}
+\usepackage{lmodern}
 \usepackage{libertine}
 \usepackage{inconsolata}
 \chapterstyle{madsen}
@@ -28,7 +29,7 @@
 \setlength{\parskip}{5pt}
 \usepackage{enumerate}
 
-\usepackage{amsmath}%, amssymb, mathrsfs}
+\usepackage{amsmath, amssymb, mathrsfs}
 \usepackage{amsthm}
 \usepackage{comment}
 \usepackage{tikz}