Update blog/_posts/2021-10-21-scala-3.1.0-released.md

Co-authored-by: Michał Pałka <prolativus@gmail.com>

Author: Kordyjan

blog/_posts/2021-10-21-scala-3.1.0-released.md

@@ -23,7 +23,7 @@ If you are a library maintainer, *updating to 3.1.0 will force all of your users
 
 A new experimental feature that allows declaring and checking which exceptions can be thrown. It relies on the effects as implicit capabilities pattern.
 
-You can opt-in using following import.
+You can opt-in using the following import.
 
 ```scala
 import language.experimental.saferExceptions