README.md: SDK v3.5.2 has now been published

README.md

@@ -4,8 +4,7 @@ jMonkeyEngine
 [![Build Status](https://github.com/jMonkeyEngine/jmonkeyengine/workflows/Build%20jMonkeyEngine/badge.svg)](https://github.com/jMonkeyEngine/jmonkeyengine/actions)
 
 jMonkeyEngine is a 3-D game engine for adventurous Java developers. It’s open-source, cross-platform, and cutting-edge.
-v3.5.2 is the latest stable version of the Engine.
-v3.4 is the latest stable version of the jMonkeyEngine SDK.
+v3.5.2 is the latest stable version of both the engine and the jMonkeyEngine SDK.
 
 The engine is used by several commercial game studios and computer-science courses. Here's a taste: