Typo fix

Author: anatoliykmetyuk

docs/blog/_posts/2020-06-16-25th-dotty-milestone-release.md

@@ -22,7 +22,7 @@ A number of users reported considerable slowdowns when it comes to programming w
 
 This default budget is configurable via a compiler flag `-Ximport-suggestion-timeout`.
 
-This change should speed-up the compiler when it comes to programming with givens.
+This change should speed up the compiler when it comes to programming with givens.
 
 For more information, see PR [#9167](https://github.com/lampepfl/dotty/pull/9167).