fix cite #23

zugferd.dtx

@@ -164,7 +164,7 @@
 	langid={german}
 }
 @online{mustang-project,
-	title={Mustangproject},
+	title={Mustang Project},
 	url={https://github.com/ZUGFeRD/mustangproject},
 	urldate={2024-08-20}
 }
@@ -292,7 +292,7 @@
 % \section{Quick start}
 % This package is still in development and does not provide any validation.
 % To ensure your invoice is created correctly you should also validate the output files.
-% There are tools like the \citeauthor{mustang-project} \cite{mustang-project} providing an easy-to-use interface for the validation.
+% There are tools like the \citetitle{mustang-project} \cite{mustang-project} providing an easy-to-use interface for the validation.
 % In the appendix I will add some notes on my setup and how I use it within pipelines.
 %
 % The bundle provides an example file called \file{DEMO-rechnung-zugferd.tex}.