   { $subsection "opengl-geometric-primitives" }
   { $subsection "opengl-modeling-transformations" } ;
 
-ARTICLE: "opengl-specifying-vertices" "Specifying Vertices"
+ARTICLE: "opengl-specifying-vertices" "Specifying vertices"
 
   { $subsection glVertex2d }
   { $subsection glVertex2f }

  { $subsection glVertex4iv }
  { $subsection glVertex4sv } ;

ARTICLE: "opengl-geometric-primitives" "OpenGL Geometric Primitives"

  { $table
      { { $link GL_POINTS         } "individual points" }

                         { $link GL_LINE }
                         { $link GL_FILL } } } } } ;

ARTICLE: "opengl-modeling-transformations" "Modeling transformations"
  { $subsection glTranslatef }
  { $subsection glTranslated }
  { $subsection glRotatef }
