diff --git a/docs/latex/wx/function.tex b/docs/latex/wx/function.tex
index 2a47fedae5..b3d9a07512 100644
--- a/docs/latex/wx/function.tex
+++ b/docs/latex/wx/function.tex
@@ -1066,8 +1066,8 @@ directory doesn't exist).
 
 \wxheading{Portability}
 
-This function is implemented for Win32,
-Mac OS and generic Unix provided the system has {\tt statfs()} function.
+The generic Unix implementation depends on the system having
+the \texttt{statfs()} or \texttt{statvfs()} function.
 
 This function first appeared in wxWidgets 2.3.2.