diff --git a/doc/study/study.tex b/doc/study/study.tex
index f37df5e..99e54e9 100644
--- a/doc/study/study.tex
+++ b/doc/study/study.tex
@@ -18,6 +18,9 @@
 \ExecuteBibliographyOptions{hyperref=true,language=ngerman,backref=true}
 \addbibresource{bibliography.bib}
 
+%\usepackage{lineno}
+%\linenumbers
+
 \include{commands}
 \include{font-family}