diff --git a/Documentation/devicetree/bindings/soc/qcom/qcom,apr-services.yaml b/Documentation/devicetree/bindings/soc/qcom/qcom,apr-services.yaml
index 290555426c39ca90ebeb087cce514f51c4cc92ff..bdf482db32aac1fc84f42aa9b72cf6d64c798933 100644
--- a/Documentation/devicetree/bindings/soc/qcom/qcom,apr-services.yaml
+++ b/Documentation/devicetree/bindings/soc/qcom/qcom,apr-services.yaml
@@ -39,8 +39,8 @@ properties:
   qcom,protection-domain:
     $ref: /schemas/types.yaml#/definitions/string-array
     description: |
-      Protection domain service name and path for APR service
-      possible values are::
+      Protection domain service name and path for APR service (if supported).
+      Possible values are::
       "avs/audio", "msm/adsp/audio_pd".
       "kernel/elf_loader", "msm/modem/wlan_pd".
       "tms/servreg", "msm/adsp/audio_pd".
@@ -49,6 +49,5 @@ properties:
 
 required:
   - reg
-  - qcom,protection-domain
 
 additionalProperties: true