diff --git a/README.rst b/README.rst
index bd06ba5..7e52bf4 100644
--- a/README.rst
+++ b/README.rst
@@ -623,6 +623,16 @@
             enabled: true
             value: 'value'
 
+hange default options using configmap template settings
+========================================================
+
+.. code-block:: yaml
+
+    horizon:
+      server:
+        configmap:
+          API_RESULT_LIMIT: 1000
+          API_RESULT_PAGE_SIZE: 20
 
 Upgrades
 ========