diff --git a/docs/latex/wx/glcanvas.tex b/docs/latex/wx/glcanvas.tex
index 62e23fbab5..2f5311306f 100644
--- a/docs/latex/wx/glcanvas.tex
+++ b/docs/latex/wx/glcanvas.tex
@@ -23,7 +23,7 @@ the {\it attribList} parameter. The values that should be set up and their meani
 To switch on wxGLCanvas support on under Windows, edit setup.h and set
 {\tt wxUSE\_GLCANVAS} to $1$. You may also need to have to add
 {\tt opengl32.lib} to the list of libraries your program is linked with. On
-Unix, pass {\tt --with-opengl} to configure to compile using OpenGL or Mesa.
+Unix, pass \verb=--with-opengl= to configure to compile using OpenGL or Mesa.
 
 \wxheading{Derived from}