Address review, point out Scalac had issues

Blaisorblade · Blaisorblade · commit 60066500fd66 · 2018-03-05T15:14:10.000+01:00
diff --git a/docs/blog/_posts/2018-03-05-seventh-dotty-milestone-release.md b/docs/blog/_posts/2018-03-05-seventh-dotty-milestone-release.md
@@ -162,7 +162,7 @@ object Interpreter {
 }
 ```
 
-Earlier Dotty releases had issues typechecking such interpreters.
+Earlier Scalac and Dotty releases had issues typechecking such interpreters.
 We have fixed multiple bugs about GADT type checking and exhaustiveness checking, especially for invariant GADTs, including
 [#3666](https://github.com/lampepfl/dotty/issues/3666),
 [#1754](https://github.com/lampepfl/dotty/issues/1754),

Original file line number	Diff line number	Diff line change
`@@ -162,7 +162,7 @@ object Interpreter {`
`162`	`162`	`}`
`163`	`163`	```
`164`	`164`
`165`		`-Earlier Dotty releases had issues typechecking such interpreters.`
	`165`	`+Earlier Scalac and Dotty releases had issues typechecking such interpreters.`
`166`	`166`	`We have fixed multiple bugs about GADT type checking and exhaustiveness checking, especially for invariant GADTs, including`
`167`	`167`	`[#3666](https://github.com/lampepfl/dotty/issues/3666),`
`168`	`168`	`[#1754](https://github.com/lampepfl/dotty/issues/1754),`