Update prepare_scripts.sh calling

Author: Sharanya Achut

tutorial/tutorial-template.tex

@@ -176,7 +176,7 @@ \section*{Learning Objectives}
 (Note that \texttt{$<$LUKScontainername$>$} is the same as \texttt{$<$containername$>$}).
 
 You can now execute \texttt{prepare\_scripts.sh} with: \\
-\cmd{./prepare\_scripts.sh} \\
+\cmd{./prepare\_scripts.sh ./prepare_scripts.sh <local-uid> <LUKScontainername>} \\
 This will upload your keys to Vault, and will insert the received tokens into a new file called \texttt{command.sh}. 
 \texttt{command.sh} was automatically derived by \texttt{prepare\_scripts.sh} from your \texttt{command.sh.template}. 
 \\