fix link

docs/modules/core/pages/gui/nifty_gui_java_layout.adoc

@@ -485,7 +485,7 @@ panel(new PanelBuilder("panel_mid") {{
 
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-The font used is jME3's default font "`Interface/Fonts/Default.fnt`" which is included in the jMonkeyEngine.JAR. You can add your own fonts to your own `assets/Interface` directory. Set your font to the one you created during the start of the <<nifty_gui_xml_layout.adoc#implement-your-gui-layout, Gui Implementation>> phase of your game.
+The font used is jME3's default font "`Interface/Fonts/Default.fnt`" which is included in the jMonkeyEngine.JAR. You can add your own fonts to your own `assets/Interface` directory. Set your font to the one you created during the start of the <<gui/nifty_gui_xml_layout.adoc#implement-your-gui-layout, Gui Implementation>> phase of your game.
 
 
 === Add Controls