diff --git a/4ed/Shapes/Triangle_Meshes.html b/4ed/Shapes/Triangle_Meshes.html
index 263e94a..64fe400 100644
--- a/4ed/Shapes/Triangle_Meshes.html
+++ b/4ed/Shapes/Triangle_Meshes.html
@@ -206,7 +206,7 @@
 </svg> is the <em>genus</em> of the mesh. The genus is usually a
 small number and can be interpreted as the number of &ldquo;handles&rdquo; in the mesh
 (analogous to a handle of a teacup). On a triangle mesh, the number of edges and
-vertices is furthermore related by the identity
+faces is furthermore related by the identity
 </p>
 
 </div> <!-- col-md-10 col-lg-8 -->