diff --git a/lib/ansible/modules/system/iptables.py b/lib/ansible/modules/system/iptables.py
index 1829d11e4c..bf5eb6e014 100644
--- a/lib/ansible/modules/system/iptables.py
+++ b/lib/ansible/modules/system/iptables.py
@@ -183,7 +183,7 @@ options:
       - "This specifies a source address to use with SNAT: without
         this, the source address is never altered."
   syn:
-    version_added: "2.4"
+    version_added: "2.5"
     description:
       - "This allows matching packets that have the SYN bit set and the ACK
         and RST bits unset. When negated, this matches all packets with