remove text about ipv4/ipv6 support in the doc
diff --git a/user_guide_src/source/libraries/input.rst b/user_guide_src/source/libraries/input.rst
index abdf877..432bac3 100644
--- a/user_guide_src/source/libraries/input.rst
+++ b/user_guide_src/source/libraries/input.rst
@@ -228,7 +228,7 @@
============================
Takes an IP address as input and returns TRUE or FALSE (boolean) if it
-is valid or not (works with IPv4 and IPv6). Note: The $this->input->ip_address() function above
+is valid or not. Note: The $this->input->ip_address() function above
validates the IP automatically.
::