diff --git a/Doc/library/ipaddress.rst b/Doc/library/ipaddress.rst
index 9c2dff55703273..bd4ed1fc75219a 100644
--- a/Doc/library/ipaddress.rst
+++ b/Doc/library/ipaddress.rst
@@ -320,7 +320,7 @@ write code that handles both IP versions correctly.  Address objects are
    .. attribute:: ipv4_mapped
 
       For addresses that appear to be IPv4 mapped addresses (starting with
-      ``::FFFF/96``), this property will report the embedded IPv4 address.
+      ``::FFFF:0:0/96``), this property will report the embedded IPv4 address.
       For any other address, this property will be ``None``.
 
    .. attribute:: scope_id