8290278: JavaDoc of index parameter of method JTabbedPane.insertTab

Reviewed-by: psadhukhan, prr, honkar

src/java.desktop/share/classes/javax/swing/JTabbedPane.java

@@ -722,10 +722,10 @@ public class JTabbedPane extends JComponent
      * @param component the component to be displayed when this tab is clicked.
      * @param tip the tooltip to be displayed for this tab
      * @param index the position to insert this new tab
-     *       ({@code > 0 and <= getTabCount()})
+     *       {@code (index >= 0 && index <= getTabCount())}
      *
      * @throws IndexOutOfBoundsException if the index is out of range
-     *         ({@code < 0 or > getTabCount()})
+     *         {@code (index < 0 || index > getTabCount())}
      *
      * @see #addTab
      * @see #removeTabAt