diff --git a/doc/web/content/index.md b/doc/web/content/index.md
index 81026ea4..2e9e2be4 100644
--- a/doc/web/content/index.md
+++ b/doc/web/content/index.md
@@ -6,7 +6,9 @@ Introduction
 LinkChecker is a free, [GPL](http://www.gnu.org/licenses/gpl-2.0.html)
 licensed website validator.
 LinkChecker checks links in web documents or full websites.
-It runs on systems with Python 2.7.2 or later.
+It runs on Python 2 systems, requiring Python 2.7.2 or later.
+Python 3 is not (yet) supported.
+
 
 Features
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