diff -r 4c3942938b0d -r 4c53a6ebc779 jdk/src/share/classes/javax/swing/JViewport.java
--- a/jdk/src/share/classes/javax/swing/JViewport.java	Thu Feb 27 19:01:32 2014 +0400
+++ b/jdk/src/share/classes/javax/swing/JViewport.java	Thu Feb 27 10:43:53 2014 -0800
@@ -645,7 +645,7 @@
      * painting to originate from {@code JViewport}, or one of its
      * ancestors. Otherwise returns {@code false}.
      *
-     * @return true if if scroll mode is a {@code BACKINGSTORE_SCROLL_MODE}.
+     * @return true if scroll mode is a {@code BACKINGSTORE_SCROLL_MODE}.
      * @see JComponent#isPaintingOrigin()
      */
     protected boolean isPaintingOrigin() {