diff --git a/README.rst b/README.rst
index d3d835156..9759c327b 100644
--- a/README.rst
+++ b/README.rst
@@ -31,6 +31,7 @@ Installation
 -------------
 See doc/install.txt in the source code archive.
 Python 2.7.2 or later is needed.
+To check version: python --version
 
 Usage
 ------