diff --git a/example/mu/example.dtx b/example/mu/example.dtx
index e3d0a5b5b212dd1509a8a74646ef3dd2755327d4..14bb3f0758c544560a27c96a2caf62296d5653d0 100644
--- a/example/mu/example.dtx
+++ b/example/mu/example.dtx
@@ -905,7 +905,7 @@ proofs.
 %<*econ>
   \emph{Source: <<Image Source>>}
 %</econ>
-  \caption{The logo of the Masaryk University at $\frac23$ and
+	\caption{The logo of the \arclong{MUNI} at $\frac23$ and
     $\frac13$ of text width}
   \label{fig:mulogo2}
 \end{figure}
@@ -967,7 +967,7 @@ run of
 \texttt{lualatex \jobname.tex}
 %</luatex>
 and a second run is going to be needed for the references to
-resolve. With online services -- such as Overleaf -- this is
+resolve. With online services -- such as \Gls{Overleaf} -- this is
 performed automatically.
 
 \chapter{Mathematical equations}