diff --git a/docs/latex/wx/objectdataptr.tex b/docs/latex/wx/objectdataptr.tex
index 7414b06526..d75a1bf10c 100644
--- a/docs/latex/wx/objectdataptr.tex
+++ b/docs/latex/wx/objectdataptr.tex
@@ -23,9 +23,11 @@ No base class
 
 \wxheading{Data structures}
 
-{\small \begin{verbatim}
-typedef T element\_type
-\end{verbatim}}
+{\small%
+\begin{verbatim}
+typedef T element_type
+\end{verbatim}
+}%
 
 \wxheading{Example}