diff --git a/RegT1E_HS22.tex b/RegT1E_HS22.tex
index fcdc74e..22997be 100644
--- a/RegT1E_HS22.tex
+++ b/RegT1E_HS22.tex
@@ -7,7 +7,7 @@
 
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 % Packages
-\usepackage{mutlicol}
+\usepackage{multicol}
 \usepackage[export]{adjustbox}
 \usepackage{bm}
 %% TODO: publish to CTAN
@@ -73,7 +73,7 @@ \section*{Lizenz}
 \setcounter{page}{1}
 \pagenumbering{arabic}
 
-%\input{include/Wichtige Funktionen/Wichtige Funktionen.tex}
+\input{include/Wichtige Funktionen/Wichtige Funktionen.tex}
 \section{Begriffe}
 \begin{itemize}
       \item Prozess
@@ -196,8 +196,7 @@ \subsection{Grundglieder}
             \end{itemize}
 \end{itemize}
 
-\input{/LTI-Systeme/LTI-Systeme.tex}
-
+\input{include/LTI-Systeme/LTI-Systeme.tex}
 
 \section{Tabellen}
 \subsection*{Blockschaltbilder-DIN}
diff --git a/RegT1E_HS22.xdv b/RegT1E_HS22.xdv
index 11f8746..7cbe44f 100644
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