change wording on Temporal implementation

README.adoc

@@ -8,8 +8,8 @@ A Clojure(Script) & babashka library for dealing with time. Intended as a
 replacement for clj-time.
 
 Based on Java 8 time (on the JVM) and js-joda (on JavaScript
-runtimes). We are considering an implementation based on https://github.com/tc39/proposal-temporal[Temporal], via
-https://github.com/henryw374/tempo[Tempo] when it is available.
+runtimes). Javascript's modern date-time API https://github.com/tc39/proposal-temporal[Temporal] is a consideration as an alternative foundation for tick in future. See the 
+https://github.com/henryw374/tempo[Tempo] library if interested. 
 
 See https://www.youtube.com/watch?v=UFuL-ZDoB2U[Henry Widd's talk at Clojure/North 2019] for some background