diff --git a/doc/userguide/rules/payload-keywords.rst b/doc/userguide/rules/payload-keywords.rst
index 0503036030..27a94699dc 100644
--- a/doc/userguide/rules/payload-keywords.rst
+++ b/doc/userguide/rules/payload-keywords.rst
@@ -330,6 +330,8 @@ Then the following rules match the payload as follows:
 | ``payload:"c"; isdataat:6,relative;``  | No     |
 +----------------------------------------+--------+
 
+These differences are also discussed in :doc:`differences-from-snort`.
+
 A discussion of this difference can be found at
 https://redmine.openinfosecfoundation.org/issues/8031