diff --git a/documentation/ethercat_doc.tex b/documentation/ethercat_doc.tex
index b3284f04..fae6e21c 100644
--- a/documentation/ethercat_doc.tex
+++ b/documentation/ethercat_doc.tex
@@ -731,7 +731,7 @@ the moment.
 \begin{figure}[htbp]
   \centering
   \includegraphics[width=.6\textwidth]{images/master-locks}
-  \caption{Concurrent master access}
+  \caption{Concurrent Master Access}
   \label{fig:locks}
 \end{figure}