update link that triggers html proofer error

Author: vgrigoriu

_overviews/FAQ/index.md

@@ -83,10 +83,10 @@ individual to individual.  `-Xlint` is valuable to enable.  Some brave
 people enable `-Werror` (formerly `-Xfatal-warnings`) to make warnings
 fatal.
 
-[sbt-tpolecat](https://github.com/DavidGregory084/sbt-tpolecat) is an
+[sbt-tpolecat](https://github.com/typelevel/sbt-tpolecat) is an
 opinionated sbt plugin that sets many options automatically, depending
 on Scala version; you can see
-[here](https://github.com/DavidGregory084/sbt-tpolecat/blob/master/src/main/scala/io/github/davidgregory084/TpolecatPlugin.scala)
+[here](https://github.com/typelevel/sbt-tpolecat/blob/main/plugin/src/main/scala/io/github/davidgregory084/TpolecatPlugin.scala)
 what it sets.  Some choices it makes are oriented towards
 pure-functional programmers.