diff --git a/src/main/asyncapi/network_survey_messaging.yaml b/src/main/asyncapi/network_survey_messaging.yaml
index 33932ab..7300bb5 100644
--- a/src/main/asyncapi/network_survey_messaging.yaml
+++ b/src/main/asyncapi/network_survey_messaging.yaml
@@ -763,7 +763,7 @@ components:
               type: number
               format: float
               description: >-
-                The Reference Signal Signal-to-Noise Ratio measured in dB. Range: -20 dB to +30 dB.
+                The Reference Signal Signal-to-Noise Ratio measured in dB. Range: -20 dB to +30 dB. Added in version 1.2.0.
               example: 19
             ta:
               type: integer