diff --git a/doc/source/system_configuration/kubernetes/instance-specific-considerations-d9d9509c79dd.rst b/doc/source/system_configuration/kubernetes/instance-specific-considerations-d9d9509c79dd.rst
index bfc02d846..ee2c8ff53 100644
--- a/doc/source/system_configuration/kubernetes/instance-specific-considerations-d9d9509c79dd.rst
+++ b/doc/source/system_configuration/kubernetes/instance-specific-considerations-d9d9509c79dd.rst
@@ -89,6 +89,11 @@ ts2phc
 
 ``ts2phc.extts_polarity rising``
 
+**Required interface parameters**
+
+*  ``ts2phc.pin_index = 1``
+*  ``ts2phc.channel = 1``
+
 **Required user-supplied parameters**
 
 This value is the path to the GNSS serial port that is connected, it will be