[tz] 2015g: Is the 1:00 under Pacific/Norfolk "Rules" a typo?

Hello, Is the 1:00 under Pacific/Norfolk "Rules" a typo? # Norfolk # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Pacific/Norfolk 11:11:52 - LMT 1901 # Kingston 11:12 - NMT 1951 # Norfolk Mean Time 11:30 - NFT 1974 Oct 27 02:00 # Norfolk T. 11:30 1:00 NFST 1975 Mar 2 02:00 11:30 - NFT 2015 Oct 4 02:00 11:00 - NFT thanks Jim Marvel