Fixed javadoc

eco-api/src/main/java/com/willfp/eco/core/gui/page/PageChanger.java

@@ -25,6 +25,7 @@ public final class PageChanger implements GUIComponent {
     /**
      * Create a new page change slot.
      *
+     * @param itemStack The ItemStack.
      * @param direction The direction.
      */
     public PageChanger(@NotNull final ItemStack itemStack,
@@ -58,7 +59,8 @@ public final class PageChanger implements GUIComponent {
     }
 
     @Override
-    public @Nullable Slot getSlotAt(final int row,
+    public @Nullable
+    Slot getSlotAt(final int row,
                    final int column,
                    @NotNull final Player player,
                    @NotNull final Menu menu) {