modules/javafx.controls/src/main/java/javafx/scene/control/Accordion.java

*** 169,178 ****
--- 169,179 ----
       * doing so will be treated by the skin as if expandedPane is null. If a pane
       * is set as the expanded pane, and is subsequently removed from {@link #getPanes},
       * then expanded pane will be set to null, if possible. (This will not be possible
       * if you have manually bound the expanded pane to some value, for example).
       * </p>
+      * @param value the expanded {@link TitledPane}
       */
      public final void setExpandedPane(TitledPane value) { expandedPaneProperty().set(value); }
  
      /**
       * Gets the expanded TitledPane in the Accordion.  If the expanded pane has been