Merge pull request #338 from xeno-by/master

fighting bit rot in macro docs

Author: xeno-by

overviews/macros/overview.md

@@ -12,8 +12,8 @@ languages: [ja]
 
 **Eugene Burmako**
 
-Def macros are shipped as an experimental feature of Scala since version 2.10.0, including the latest 2.10.3 and the upcoming 2.11.0.
-A subset of def macros, pending a thorough specification, is tentatively scheduled to become stable in 2.12.
+Def macros are shipped as an experimental feature of Scala since version 2.10.0.
+A subset of def macros, pending a thorough specification, is tentatively scheduled to become stable in one of the future versions of Scala.
 
 ## Intuition