diff --git a/Surface_mesher/doc_tex/Surface_mesher/main.tex b/Surface_mesher/doc_tex/Surface_mesher/main.tex
index e14fdfa6d49..2005bcbcacf 100644
--- a/Surface_mesher/doc_tex/Surface_mesher/main.tex
+++ b/Surface_mesher/doc_tex/Surface_mesher/main.tex
@@ -253,7 +253,9 @@ the 1D mesh interpolating the 1D curves.
 \section{Examples}
 \label{SurfaceMesher_section_example}
 
-\subsection{Meshing an implicit surface}
+
+\subsection{Meshing an Implicit Surface}
+
 The first code example meshes a sphere 
 given as the zero level set of a function $\R^3 \longrightarrow \R$.
 More precisely, 
@@ -297,7 +299,7 @@ Figure~\ref{figure:Surface_mesher-sphere-surface}.
 
 \ccIncludeExampleCode{Surface_mesher/mesh_an_implicit_function.cpp}
 
-\subsection{Meshing a surface defined as a gray level in a 3D image}
+\subsection{Meshing a Surface Defined as a Gray Level in a 3D Image}
 In this example the surface to be meshed is defined
 as the locus of points with a given gray level
 in a 3D image.