website: "taint" command is deprecated from v0.15.2, not from v1.0.0

We got the replacement for this in earlier than anticipated, so these docs
were originally more pessimistic about when the alternative would be
available.

Author: apparentlymart

website/docs/cli/commands/taint.html.md

@@ -15,7 +15,7 @@ object as "tainted" in the Terraform state, in which case Terraform will
 propose to replace it in the next plan you create.
 
 ~> *Warning:* This command is deprecated, because there are better alternatives
-available in Terraform v1.0 and later. See below for more details.
+available in Terraform v0.15.2 and later. See below for more details.
 
 If your intent is to force replacement of a particular object even though
 there are no configuration changes that would require it, we recommend instead