diff --git a/docs/latex/wx/display.tex b/docs/latex/wx/display.tex
index 3a39b3da8e..15a9f51760 100644
--- a/docs/latex/wx/display.tex
+++ b/docs/latex/wx/display.tex
@@ -100,6 +100,8 @@ If the window is on more than one display it gets the display that overlaps the
 
 Returns -1 if the window is not on any connected display.
 
+Current windows only.
+
 \wxheading{Parameters}
 
 \docparam{win}{The window to locate.}