Update 2.11.8.md

Author: milessabin

notes/2.11.8.md

@@ -34,8 +34,8 @@ Typelevel Scala 2.11.8 offers the following fixes and features over Lightbend Sc
   Higher kinded type arguments are now refined by GADT pattern matching. Details can be found on [the
   ticket][SI-9760].
 
-Note that Typelevel Scala 2.11.8 replaces the [si2712fix compiler plugin][si2712fix-plugin] — if you are using
-it you should remove it from your build before switching to Typelevel Scala.
+Note that Typelevel Scala 2.11.8 and Lightbend Scala 2.11.11 replace the [si2712fix compiler plugin][si2712fix-plugin] —
+if you are using it you should remove it from your build before switching to either of these compilers.
 
 ## How to use Typelevel Scala 2.11.8 with SBT
 
@@ -100,3 +100,4 @@ If you are using maven with the `scala-maven-plugin`, set the `<scalaOrganizatio
 [SI-9760]: https://issues.scala-lang.org/browse/SI-9760
 [SIP-23]: https://github.com/scala/scala/pull/5310
 [2.11.8-bin-typelevel]: https://github.com/typelevel/scala/commits/2.11.8-bin-typelevel
+[si2712fix-plugin]: https://github.com/milessabin/si2712fix-plugin