diff --git a/main.tex b/main.tex
index 19d84aa..342adf2 100644
--- a/main.tex
+++ b/main.tex
@@ -27,6 +27,7 @@
 \usepackage{tikz-imagelabels}       % overlay labels for images
 \usepackage{cite}                   % citation for bibliography
 \usepackage{amssymb}                % provides enhancements for mathematical formulas
+% \usepackage[utf8]{inputenc}         % load files via \input as UTF-8, enabled by default since 2018
 
 \makeindex
 \makenomenclature