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-rw-r--r--user_guide_src/source/libraries/input.rst3
1 files changed, 2 insertions, 1 deletions
diff --git a/user_guide_src/source/libraries/input.rst b/user_guide_src/source/libraries/input.rst
index 6162a6664..f9dbf1686 100644
--- a/user_guide_src/source/libraries/input.rst
+++ b/user_guide_src/source/libraries/input.rst
@@ -326,9 +326,10 @@ Class Reference
Accepts an optional second string parameter of 'ipv4' or 'ipv6' to specify
an IP format. The default checks for both formats.
- .. method:: user_agent()
+ .. method:: user_agent([$xss_clean = NULL])
:returns: User agent string or NULL if not set
+ :param bool $xss_clean: Whether to apply XSS filtering
:rtype: mixed
Returns the user agent string (web browser) being used by the current user,