diff --git a/docs/ref/settings.txt b/docs/ref/settings.txt
index 7f5e05c8f4..260eada1ee 100644
--- a/docs/ref/settings.txt
+++ b/docs/ref/settings.txt
@@ -2525,6 +2525,10 @@ STATIC_ROOT
 
 Default: ``None``
 
+.. versionchanged:: 1.6.2
+
+    The default changed from ``''`` (empty string) to ``None``.
+
 The absolute path to the directory where :djadmin:`collectstatic` will collect
 static files for deployment.