diff --git a/docs/api.yml b/docs/api.yml
index 478eb8ce11c35492fa2df56173ca5996028baea2..12d8f7616d0b4451c40676a73fed5e89fe2ca1bd 100644
--- a/docs/api.yml
+++ b/docs/api.yml
@@ -137,7 +137,7 @@ paths:
                 items:
                   $ref: '#/components/schemas/Measurement'
     post:
-      summary: Adds a new measurement
+      summary: Adds a new measurement. Non-existent device or sensor will be created automatically.
       operationId: addMeasurement
       requestBody:
         description: Measurement to add