diff --git a/gui/wxpython/docs/wxGUI.html b/gui/wxpython/docs/wxGUI.html
index 7a30027769a..57d56a1b166 100644
--- a/gui/wxpython/docs/wxGUI.html
+++ b/gui/wxpython/docs/wxGUI.html
@@ -36,7 +36,7 @@
Layer Manager
-
+
Figure: Layer Manager screenshot on Ubuntu
diff --git a/gui/wxpython/docs/wxGUI_layer_manager.jpg b/gui/wxpython/docs/wxGUI_layer_manager.png
similarity index 100%
rename from gui/wxpython/docs/wxGUI_layer_manager.jpg
rename to gui/wxpython/docs/wxGUI_layer_manager.png