Update SIPs state

_sips/sips/better-fors.md

@@ -1,8 +1,8 @@
 ---
 layout: sip
 permalink: /sips/:title.html
-stage: design
-status: submitted
+stage: implementation
+status: waiting-for-implementation
 title: SIP-62 - For comprehension improvements
 ---
 
@@ -378,4 +378,4 @@ As far as I know, there are no widely used Scala 3 libraries that depend on the
 2. Github issue discussion about for desugaring: https://github.com/lampepfl/dotty/issues/2573
 3. Scala 2 implementation of some of the improvements: https://github.com/oleg-py/better-monadic-for
 4. Implementation of one of the simplifications: https://github.com/lampepfl/dotty/pull/16703
-5. Draft implementation branch: https://github.com/dotty-staging/dotty/tree/improved-fors
+5. Draft implementation branch: https://github.com/dotty-staging/dotty/tree/improved-fors