adding install notes for python-pil, python-setuptools

diff --git a/README.md b/README.md
index 8c4249d680bd7729d6d67d3320ed4984cd8d175d..5fb9fe6b6766157b7e7a37bfc0e80154fbf115cb 100644 (file)
--- a/README.md
+++ b/README.md
@@ -45,7 +45,7 @@ And if you're using a PMS5003 sensor you will need to:
 And install additional dependencies:
 
 ```
-sudo apt install python-numpy python-smbus
+sudo apt install python-numpy python-smbus python-pil python-setuptools
 ```
 
 ## Help & Support