diff --git a/docs/latex/wx/snglinst.tex b/docs/latex/wx/snglinst.tex
index 89d874b1b6..5064291a3d 100644
--- a/docs/latex/wx/snglinst.tex
+++ b/docs/latex/wx/snglinst.tex
@@ -52,6 +52,10 @@ system call only.
 
 No base class
 
+\wxheading{Include files}
+
+<wx/snglinst.h>
+
 \latexignore{\rtfignore{\wxheading{Members}}}
 
 \membersection{wxSingleInstanceChecker::wxSingleInstanceChecker}\label{wxsingleinstancecheckerctor}