Update minimum Craft version in readme

brandonkelly · brandonkelly · commit 329b88a2237d · 2018-07-28T11:38:04.000-07:00
diff --git a/README.md b/README.md
@@ -7,7 +7,7 @@ It’s powered by Phil Sturgeon’s excellent [Fractal](http://fractal.thephplea
 
 ## Requirements
 
-This plugin requires Craft CMS 3.0.0-RC11 or later.
+This plugin requires Craft CMS 3.0.0-RC16 or later.
 
 
 ## Installation
