src/share/classes/java/time/temporal/ChronoUnit.java

*** 176,186 ****
      MILLENNIA("Millennia", Duration.ofSeconds(31556952L * 1000L)),
      /**
       * Unit that represents the concept of an era.
       * The ISO calendar system doesn't have eras thus it is impossible to add
       * an era to a date or date-time.
!      * The estimated duration of the era is artificially defined as {@code 1,000,00,000 Years}.
       * <p>
       * When used with other calendar systems there are no restrictions on the unit.
       */
      ERAS("Eras", Duration.ofSeconds(31556952L * 1000_000_000L)),
      /**
--- 176,186 ----
      MILLENNIA("Millennia", Duration.ofSeconds(31556952L * 1000L)),
      /**
       * Unit that represents the concept of an era.
       * The ISO calendar system doesn't have eras thus it is impossible to add
       * an era to a date or date-time.
!      * The estimated duration of the era is artificially defined as {@code 1,000,000,000 Years}.
       * <p>
       * When used with other calendar systems there are no restrictions on the unit.
       */
      ERAS("Eras", Duration.ofSeconds(31556952L * 1000_000_000L)),
      /**