diff --git a/homeassistant/components/guardian/services.yaml b/homeassistant/components/guardian/services.yaml
index 42565448451..9d1cef25227 100644
--- a/homeassistant/components/guardian/services.yaml
+++ b/homeassistant/components/guardian/services.yaml
@@ -1,15 +1,39 @@
 # Describes the format for available Elexa Guardians services
 disable_ap:
   description: Disable the device's onboard access point.
+  fields:
+    entity_id:
+      description: The Guardian valve controller to affect.
+    area_id:
+      description: The area to affect.
 enable_ap:
   description: Enable the device's onboard access point.
+  fields:
+    entity_id:
+      description: The Guardian valve controller to affect.
+    area_id:
+      description: The area to affect.
 reboot:
   description: Reboot the device.
+  fields:
+    entity_id:
+      description: The Guardian valve controller to affect.
+    area_id:
+      description: The area to affect.
 reset_valve_diagnostics:
   description: Fully (and irrecoverably) reset all valve diagnostics.
+  fields:
+    entity_id:
+      description: The Guardian valve controller to affect.
+    area_id:
+      description: The area to affect.
 upgrade_firmware:
   description: Upgrade the device firmware.
   fields:
+    entity_id:
+      description: The Guardian valve controller to affect.
+    area_id:
+      description: The area to affect.
     url:
       description: (optional) The URL of the server hosting the firmware file.
       example: https://repo.guardiancloud.services/gvc/fw