diff --git a/README.md b/README.md
index 263b5fb..bfb7370 100644
--- a/README.md
+++ b/README.md
@@ -2,6 +2,12 @@
 
 Agent for my-idlers
 
+The design is supposed to be minimise dependencies. It doesn't have python
+dependencies and should work with python from 3.4 on (so that you can use it on
+older OSes without having to upgrade python)
+
+Application dependencies are hdparm, nvme and dmidecode
+
 ```
 export AGENT_API=<API_KEY> HOST=https://idlers.test2.sysdeploy.org;python3 agent.py
 ```