Question about the Dune: Awakening sale

I've been following the game for some time and I noticed it was on sale. I sold some CS skins and currently have some listed. Currently waiting for the balance to hit my account. The blog post reads that the sale ends tomorrow (March 9th), but steam says it'll be on sale until March 19th. Not even sure I can get an answer on this. Could the blog post be mistake? Really don't wanna miss the sale and lose the skins lol