diff --git a/.style/header.tex b/.style/header.tex
index 17858c31d7e232c434039160b70c38a7f4cb0263..ca6483b629abe28dc7304bb2aeeea6c5a628f45d 100644
--- a/.style/header.tex
+++ b/.style/header.tex
@@ -1,5 +1,5 @@
 \documentclass[aspectratio=169]{beamer}
-\usepackage[T1]{fontenc} %pipes don't display properly without this
+\usepackage[T1]{fontenc} % the pipe character doesn't display properly without this
 \usepackage[utf8]{inputenc}
 \usepackage{listings}
 \usepackage{color}
@@ -7,11 +7,11 @@
 \usepackage{minted} % COMPILE WITH `pdflatex -shell-escape`!
 \usepackage{multicol}
 \usepackage{upgreek}
-\usepackage{siunitx} %pretty measurement unit rendering
-\usepackage{hyperref} %enable hyperlink for urls
+\usepackage{siunitx} % pretty measurement unit rendering
+\usepackage{hyperref} % enable hyperlink for URLs
 \usepackage{lmodern}
 \usepackage{setspace}
-\usepackage{menukeys}
+\usepackage[os=win]{menukeys} % by default keys are given for MacOS
 
 \usefonttheme[onlymath]{serif}
 \setcounter{MaxMatrixCols}{20}
diff --git a/scientific_software_management/slides.pdf b/scientific_software_management/slides.pdf
index efa3ce00923e1847d00f5c9d7ad0e1a16b2cc679..975e31f9b82b18bd57b608ac65f3fff8c17cd30a 100644
Binary files a/scientific_software_management/slides.pdf and b/scientific_software_management/slides.pdf differ
diff --git a/scientific_software_management/slides.tex b/scientific_software_management/slides.tex
index 7f36c464b20ccbba12eb991a8af767710ad176ef..1c98b099c6f750c56cd60b66f9e4e6604d8b7434 100644
--- a/scientific_software_management/slides.tex
+++ b/scientific_software_management/slides.tex
@@ -37,8 +37,8 @@
 					\item Open file:
 					\vspace{-0.6em}
 					\mint[bgcolor=tlg,fontsize=\footnotesize]{bash}|nano file|
-					\item Save via: \keys{Ctrl + o}
-					\item Exit via: \keys{Ctrl + x}
+					\item Save via: \keys{\ctrl + o}, \keys{\enter}
+					\item Exit via: \keys{\ctrl + x}
 				\end{itemize}
 			\end{frame}
 			\begin{frame}{Git and Social Coding}
@@ -405,7 +405,7 @@
 					\item Compile.
 					\vspace{-0.6em}
 					\mint[bgcolor=tlg,fontsize=\footnotesize]{bash}|./compile.sh|
-					\item Log out from SSH: \keys{Ctrl + d}
+					\item Log out from SSH: \keys{\ctrl + d}
 					\item Get the document locally.
 					\vspace{-0.6em}
 					\mint[bgcolor=tlg,fontsize=\footnotesize]{bash}|scp YOURUSER@130.60.24.66:nvcz/article.pdf .|
@@ -486,7 +486,7 @@
 				\end{itemize}
 			\end{frame}
 			\begin{frame}{References}
-				\bibliographystyle{abbrv}
+				\bibliographystyle{IEEEtran}
 				\bibliography{./bib}
 			\end{frame}
 \end{document}