sdfont -> dsfont typo correction

diff --git a/tex/src/packages.tex b/tex/src/packages.tex
index c7da7d092bbf726f1d29d2eacd28581d48e10043..f6d62f283b4077ca443dd8bc2bb175af99c7baa0 100644 (file)
--- a/tex/src/packages.tex
+++ b/tex/src/packages.tex
@@ -45,7 +45,7 @@
 % fonts like mathbb (blackboard bold) and mathcal (caligraphic)
 \usepackage{amsfonts}
 % double struct math fonts
-\usepackage{sdfont}
+\usepackage{dsfont}
 
 \usepackage{xcolor}