diff --git a/.speakeasy/in.openapi.yaml b/.speakeasy/in.openapi.yaml
index 5e9935c..5aeabf8 100644
--- a/.speakeasy/in.openapi.yaml
+++ b/.speakeasy/in.openapi.yaml
@@ -9489,9 +9489,9 @@ components:
         size:
           description: >-
             Optional. A convenience shorthand for output dimensions — pass a tier ("2K", "4K") or explicit pixels
-            ("2048x2048") and we normalize it to the right dimensions for the chosen provider. Interchangeable with
-            resolution + aspect_ratio; use those directly for enumerated, per-model discoverable values. Conflicting
-            size + resolution/aspect_ratio is rejected.
+            ("2048x2048") and we normalize it to the right dimensions for the chosen provider. A tier size is equivalent
+            to setting `resolution` and combines with `aspect_ratio`. An explicit pixel size is authoritative: a
+            mismatched `resolution` or `aspect_ratio` alongside it is rejected with a 400.
           example: 2K
           type: string
         stream: