diff --git a/versions/3.1.1.md b/versions/3.1.1.md
index be39af7f91..40c573f1e2 100644
--- a/versions/3.1.1.md
+++ b/versions/3.1.1.md
@@ -1574,7 +1574,7 @@ requestBody:
             type: object
             properties: {}
           profileImage:
-            # Content-Type for application-level encoded resource is `text/plain`
+            # Content-Type for properties with type string and contentEncoding is `application/octet-stream`
             type: string
             contentMediaType: image/png
             contentEncoding: base64