Hi, welcome to Sword Art Online Wiki! Thanks for your edit to the Silica page.
For starters, here are a few common mistakes that new users make: both British English and American English are fine on this wikia, so do not change one for the other redundantly; only official content from sources like the light novel, anime and manga are allowed on this wikia. Also, please try to reference any facts, as they may be removed for being considered speculation otherwise.
Here are some helpful links if you have any questions: