diff --git a/Requirements.md b/Requirements.md
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--- a/Requirements.md
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@@ -1,3 +1,7 @@
+# PYTHON REQUIREMENTS
+
+Your system must have Python 3 installed and available in your path as `python3`.
+
 # GRAPHICS DRIVERS QUICKSTART - UBUNTU 18.04
 
 Some of the newest titles available on Linux with Steam Play require cutting-edge drivers that are not distributed with the latest Ubuntu 18.04 release. To achieve the highest level of compatibility with Windows game titles, we recommend installing the following drivers: