\documentclass[../review_3.tex]{subfiles}
\graphicspath{{\subfix{../img/}}}
\begin{document}

\chapter{Abkürzungsverzeichnis}\thispagestyle{fancy}
\begin{description}
    \item[DDoS] Distributed Denial-of-Service
    \item[DoS] Denial-of-Service
    \item[DRoS] Distributed Reflected Denial-of-Service
    \item[Gbps] Giga bit pro Sekunde
    \item[KW] Kalenderwoche
    \item[LoC] Lines of Code
    \item[Mpps] Million packets per second
    \item[UML] Unified Modelling Language
\end{description}

\end{document}