diff --git a/xyz/openbmc_project/Control/Host.interface.yaml b/xyz/openbmc_project/Control/Host.interface.yaml
index 52abf5f..afe9bad 100644
--- a/xyz/openbmc_project/Control/Host.interface.yaml
+++ b/xyz/openbmc_project/Control/Host.interface.yaml
@@ -38,6 +38,8 @@
             command has been sent to the host.
         - name: Heartbeat
           description: >
+            Note: This is in the process of being deprecated in favor of the
+            new xyz.openbmc_project.Condition.HostFirmware interface.
             Used to determine if the host is running and functional.  This
             command will return once the command has been sent to the host.
             The response to the attention and the reading of the command