diff --git a/README.md b/README.md
index 035bba10..8bcf7ecd 100644
--- a/README.md
+++ b/README.md
@@ -33,10 +33,10 @@ The API reference is located at [realm.io/docs/javscript/latest/api](https://rea
 In case you don't want to use the precompiled version on npm, you can build Realm yourself from source. You’ll need an Internet connection the first time you build in order to download the core library.
 
 Prerequisites:
-- Node 4.0+
+- Node: 4.0 <= version < 7.0
 - Xcode 7.2+
 - Android SDK 23+
-- Android NDK 10e+
+- Android NDK 10e
 
 First clone this repository: