diff --git a/docs/docsite/rst/user_guide/playbooks_conditionals.rst b/docs/docsite/rst/user_guide/playbooks_conditionals.rst
index ac57cc83ad2..4999476c1af 100644
--- a/docs/docsite/rst/user_guide/playbooks_conditionals.rst
+++ b/docs/docsite/rst/user_guide/playbooks_conditionals.rst
@@ -416,6 +416,7 @@ Possible values (sample, not complete list)::
     OracleLinux
     RedHat
     Slackware
+    SLES
     SMGL
     SUSE
     Ubuntu