--- old/src/java.base/share/classes/java/util/DuplicateFormatFlagsException.java	2015-08-07 21:14:57.614584984 +0400
+++ new/src/java.base/share/classes/java/util/DuplicateFormatFlagsException.java	2015-08-07 21:14:57.410584993 +0400
@@ -29,7 +29,7 @@
  * Unchecked exception thrown when duplicate flags are provided in the format
  * specifier.
  *
- * <p> Unless otherwise specified, passing a <tt>null</tt> argument to any
+ * <p> Unless otherwise specified, passing a {@code null} argument to any
  * method or constructor in this class will cause a {@link
  * NullPointerException} to be thrown.
  *