diff --git a/README.md b/README.md
index caee48c..0dccd40 100644
--- a/README.md
+++ b/README.md
@@ -2,6 +2,8 @@
 
 readclip reads the My\ Clippings.txt from your kindle device and exports it to Markdown.
 
+You will need to have python3 with argparse module (should be by default) installed.
+
 ## Useage
 Copy the `My\ Clippings.txt` from your Kindle device. Usually all your highlighting and notes are
 exported with the marked text in that plain text file.