diff --git a/docs/requirements.rst b/docs/requirements.rst
index 8278b31..821d52f 100644
--- a/docs/requirements.rst
+++ b/docs/requirements.rst
@@ -41,7 +41,7 @@ Supports:
 
 * IPv4 TCP
 * IPv4 UDP
-* IPv6 DNS
+* IPv4 DNS
 * IPv6 TCP
 * IPv6 UDP
 * IPv6 DNS