diff --git a/docsite/rst/playbooks_filters.rst b/docsite/rst/playbooks_filters.rst
index 7b7b7d5cdb..79f7212956 100644
--- a/docsite/rst/playbooks_filters.rst
+++ b/docsite/rst/playbooks_filters.rst
@@ -299,7 +299,7 @@ Hash types available depend on the master system running ansible,
 Other Useful Filters
 --------------------
 
-To use one value on true and another on false::
+To use one value on true and another on false (since 1.9)::
 
    {{ name == "John" | ternary('Mr','Ms') }}