diff --git a/README.rst b/README.rst
index f671de0..1099a4e 100644
--- a/README.rst
+++ b/README.rst
@@ -317,7 +317,7 @@ Plone/Python Support
 
 plone.rest 4.x.x supports Plone 5.2 and 6.x on Python 3.8 and newer.
 
-plone.rest 3.x.x supports Plone 5.2 and 6.0 on Python 2.7 (Plone 5.2 only) and on Python 3.7 to 3.11.
+plone.rest 3.x.x supports Plone 5.2 on Python 2.7 to 3.?? and Plone 6.0 on Python 3.7 to 3.11.
 
 If you need to use Plone 4.3, 5.0, or 5.1 on Python 2.7, check out plone.rest 2.x.x or 1.x.x.