added comment

src/main/java/com/r0r5chach/controllers/Controller.java

@@ -63,7 +63,7 @@ public class Controller implements Initializable {
     /**
      * Gets the tab selected on the GUI
      */
-    @FXML
+    @FXML //Triggered when a new tab is selected
     protected void getTab() { 
         Parent root = null;
         Tab tab = tabs.getSelectionModel().getSelectedItem();