Update blog/_posts/2021-10-19-scala-3.1.0-released.md

Co-authored-by: Jamie Thompson <bishbashboshjt@gmail.com>

Author: Kordyjan

blog/_posts/2021-10-19-scala-3.1.0-released.md

@@ -82,7 +82,7 @@ sealed trait Bottom extends Top
 
 Previously you would not be able to summon an instance of `scala.deriving.Mirror.SumOf` for `Top`, as its child `Bottom` is also sealed. In Scala 3.1 this is now possible, enabling compiletime reflection over nested hierarchies of sealed types.
 
-The only change necessary for users is that you should now consider that one of the `MirroredElemTypes` for a `Mirror.SumOf could also be a sum type, not just product types.
+The only change necessary for users is that you should now consider that one of the `MirroredElemTypes` for a `Mirror.SumOf` could also be a sum type, not just product types.
 
 ### Other changes