diff --git a/documentation/ethercat_doc.tex b/documentation/ethercat_doc.tex
index 8b111f02..54d74406 100644
--- a/documentation/ethercat_doc.tex
+++ b/documentation/ethercat_doc.tex
@@ -3287,7 +3287,7 @@ $ `\textbf{make doc}`
 
 The interface documentation can be viewed by pointing a browser to the file
 \textit{doxygen-output/html/index.html}. The functions and data structures of
-the application interface a covered by an own module ``Application
+the application interface are covered by an own module ``Application
 Interface''.
 
 \section{Installing the Software}