fix warning

diff --git a/architecture/a.tex b/architecture/a.tex
index 3f11f02..c6720a3 100644 (file)
--- a/architecture/a.tex
+++ b/architecture/a.tex
@@ -33,10 +33,10 @@ communication is not necessarily fast and thus these resources are scarce.
 Therefore the architecture tries to minimize the usage of communication
 resources.
 
-\subsubsection{\iTasks{} $\rightarrow$ microcontroller}
+\subsubsection{\iTasks{} \texorpdfstring{$\rightarrow$}{->} microcontroller}
 \input{commim.tex}
 
-\subsubsection{Microcontroller $\rightarrow$ \iTasks{}}
+\subsubsection{Microcontroller \texorpdfstring{$\rightarrow$}{->} \iTasks{}}
 \input{commmi.tex}
 
 \section{Conclusion}