Added last update to readme file.

kx79wq · kx79wq · commit a77c8a066128 · 2021-02-05T13:43:49.000+01:00
diff --git a/README.md b/README.md
@@ -7,6 +7,8 @@ See [https://histogrammar.github.io/histogrammar-docs](https://histogrammar.gith
 
 This is a Scala implementation for Scala versions 2.10, 2.11 and 2.12.
 
+Last update: January 2021.
+
 Installation
 ============
 
