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

@@ -56,7 +56,7 @@ given Context = ctx
 You can find a discussion of the above change in the [PR #10538](https://github.com/lampepfl/dotty/pull/10538).
 
 ## Drop `as` in patterns
-Since we dropped `as` from `given`s, we lost a strong reason for having `as` at all. For this reason, we dropped them also from patterns. If previously the correct binding syntax is patterns was:
+Since we dropped `as` from `given`s, we lost a strong reason for having `as` at all. Therefore, we dropped `as` from patterns as well. The following syntax, valid in Scala 3.0.0-M2, is not accepted anymore:
 
 ```scala
 case opt as Some(foo)