diff --git a/README.md b/README.md
index d595a6b..a68c7af 100644
--- a/README.md
+++ b/README.md
@@ -10,10 +10,11 @@
 
 ### Installation
 
-`pip3 install nd2reader` for Python 3.x (recommended)
-
+`pip3 install nd2reader` for Python 3.x
 `pip install nd2reader` for Python 2.x
 
+If you don't already have the packages `numpy` and `six`, they will be installed automatically.
+
 ### ND2s
 
 A quick summary of ND2 metadata can be obtained as shown below.