diff --git a/linux-cheat-sheet.tex b/linux-cheat-sheet.tex
index a6360a5..2ba4ca3 100644
--- a/linux-cheat-sheet.tex
+++ b/linux-cheat-sheet.tex
@@ -8,6 +8,7 @@
 
 \usepackage{lmodern}
 
+
 \usepackage[os=win]{menukeys}
 % Using this, but see other solution below
 % This option works better with small font sizes
@@ -37,9 +38,16 @@
  \fancyhead[R]{\texttt{https://git.kjodle.net/kjodle/linux-cheat-sheet}}
  \fancyfoot[L]{Version 1.0.0 • \today}
  \fancyfoot[R]{Page \thepage}
+ \renewcommand{\footrulewidth}{0.4pt}
+ 
+ % Redefining headrule
+ % See https://tex.stackexchange.com/a/584638/245702
+ \makeatletter
+ \renewcommand{\headrule}{\hrule height 1pt \vspace{1pt}\hrule height 0.25pt}
+
 
 \usepackage{multicol}
-\setlength{\columnseprule}{1pt}
+\setlength{\columnseprule}{0.3pt}
 \setlength{\columnsep}{1cm}
 
 \usepackage[T1]{fontenc}
@@ -47,6 +55,7 @@
 \usepackage{tikz}
 \usetikzlibrary{shadows}
 
+% Not currently used; using «menukeys» package instead
 % See https://tex.stackexchange.com/questions/5226/keyboard-font-for-latex
 \newcommand*\keystroke[1]{%
   \tikz[baseline=(key.base)]
@@ -64,6 +73,8 @@
   ;
 }
 
+% See https://semver.org/ for versioning meaning
+
 \begin{document}
 
 \begin{multicols*}{4}
@@ -122,7 +133,7 @@ As always, check the \texttt{man} files for additional options and parameters.
 	\item[scp <file> <server/file>] Securely copy a specific file to a server directory
 	\item[mkdir] Create a new directory
 	\item[rmdir] Delete an empty directory
-	\item[rsyng -a </path/to/file> </file>] Synchronize the contents of a specific direcotry with a backup directory
+	\item[rsync -a </path/to/file> </file>] Synchronize the contents of a specific direcotry with a backup directory
 	\item[rm -r <directory>] Remove a non-empty directory
 	\item[rm -ri <directory>] Remove a non-empty directory recursively, and require confirmation of each item
 \end{description}
@@ -156,13 +167,15 @@ As always, check the \texttt{man} files for additional options and parameters.
 	\item[uname -r] Show system information
 	\item[timedatectl] Query and change the system clock
 	\item[last reboot] Show the system reboot history
-	\item[uptime] SHow how long the system has been running, including load average
+	\item[uptime] Show how long the system has been running, including load average
 	\item[echo \$<variable>] Show the value of a variable
 	\item[echo \$PATH] Show the current value of the \texttt{\$PATH} variable
 \end{description}
 
 \section*{Network}
 
+\textbf{Note:} Many of these are not installed by default on most systems.
+
 \begin{description}
 	\item[hostname] Display the name of your host or network
 	\item[ip addr show] Show IP addresses and network interfaces