diff --git a/docs/latex/wx/colour.tex b/docs/latex/wx/colour.tex
index 7921a0642d..74526a993c 100644
--- a/docs/latex/wx/colour.tex
+++ b/docs/latex/wx/colour.tex
@@ -336,7 +336,7 @@ found in the database.
 
 \func{wxColour*}{FindColour}{\param{const wxString\& }{colourName}}
 
-Finds a colour given the name. Returns \NULL if not found or a pointer which
+Finds a colour given the name. Returns \tt{NULL} if not found or a pointer which
 must be deleted by the caller otherwise.
 
 Please note that this method is deprecated and will be removed in the next