That's your browser cache. Do a force refresh, Ctrl F5.In ΩRαS's screenshots, these http://www.serebii.net/omegarubyalphasapphire/2.jpg http://www.serebii.net/omegarubyalphasapphire/11.jpg pictures are in October 2nd, which is supposed to be for Rayquaza, but it's just pictures of Camerupt and Sharpedo.
Here are some errors I've found while playing through Pokémon Y:
Error: Pictures of Flabébé's alternate forms are not all in the same pose.
Error: Nincada locations missing "In-Depth Details" and "Details" links.
Error: Gorebyss locations missing "In-Depth Details" and "Details" links.
Error: Route 7 horde Psyduck Max Level says 7, but I've only found level 8 Psyduck hordes.
Error: Route 10 Yellow Flowers Snubbull Min Level says 20, but I've found a level 19 Snubbull.
Error: Route 9 Helioptile Min Level says 16, but I've found a level 15 Helioptile.
Error: Route 14 Good Rod Poliwhirl Max Level says 25, but I've found only found level 35 Poliwhirl.
Error: Route 17 Sneasel Min Level says 39, but I've found a level 38 Sneasel.
Error: Route 19 Super Rod Poliwhirl and Whiscash Min Level both say 50, but I've found only found level 45 Poliwhirl and Whiscash.
Error: Exeggcute locations missing Azure Bay as shown in details: www.serebii.net/pokedex-xy/location/102.shtml.
Error: Chinchou locations missing Shalour City as shown in details: www.serebii.net/pokedex-xy/location/170.shtml.
Error: Remoraid locations missing Shalour City as shown in details: www.serebii.net/pokedex-xy/location/223.shtml.
Error: The area to click on the Kalos map for Frost Cavern is not in the right place.
Error: Terminus Cave Rock Smash encounter percentages do not add up to 100%.
Error: Ursaring page lists Victory Road as a location, but the neither the details page nor the Victory Road page show Ursaring.
Error: Spearow locations has a "Details" link for Y but not for X even though their details are the same.
Error: Spearow location details claims can be found outside Frost Cavern but the Spearow page says breed and the Frost Cavern page has no mention of Spearow.
Error: There is a "[A]" after Pumpkaboo and Gourgeist in the Mountain Kalos dropdown box.
The following I can't prove are wrong, but I believe they are errors:
Error: Route 22 claims level 6 Farfetch'd can be found, but I've only found level 7 Farretch'd.
Error: Shalour City Surfing claims level 25 Mantyke can be found, but I've only found level 27 Mantyke.
Error: Glittering Cave - 1F claims level 15-17 Onix can be found, but I've only found level 17 Onix.
Error: Glittering Cave - 3D Area claims level 15-17 Lunatone can be found, but I've only found level 17 Lunatone.
Error: Glittering Cave - 3D Area claims level 15-17 Solrock can be found, but I've only found level 17 Solrock.
Error: Glittering Cave - 3D Area claims level 16-17 Rhyhorn can be found, but I've only found level 17 Rhyhorn.