Update docs/blog/_posts/2020-12-18-scala3-m3.md

Co-authored-by: Sébastien Doeraene <[email protected]>

Author: anatoliykmetyuk

docs/blog/_posts/2020-12-18-scala3-m3.md

@@ -122,7 +122,7 @@ In the meantime, the compiler will emit warnings when trying to call those metho
   |            but it has unmatchable type opaques.IArray[Int] instead
 ```
 
-The change involved an extensive discussion which you can read in the [PR #10670](https://github.com/lampepfl/dotty/pull/10670). Read more about this change in the [documentation](https://dotty.epfl.ch/docs/reference/other-new-features/matchable.html).
+You can read the discussion of this change in the [PR #10670](https://github.com/lampepfl/dotty/pull/10670). You can also read more about it in the [documentation](https://dotty.epfl.ch/docs/reference/other-new-features/matchable.html).
 
 # Tooling improvements
 As the work on Scala 3 gets closer to the stable release, the focus increasingly shifts on the tooling available to get started with Scala 3.