Fix grammar mistake

Co-authored-by: Till Westpfahl <[email protected]>
Signed-off-by: Henning Tirre <[email protected]>

changelog/2024-10-07-api-changes-v2.mdx

@@ -42,7 +42,7 @@ _Disclaimer: This summary is AI-generated. If you find any discrepancies, please
 
 ### Developer's note
 
-Even if these changes appear to be breaking, the actual response of the above-mentioned Order routes does not actually change. `first_name` and `last_name` were incorrectly named in the generated spec, because technically `firstName` and `lastName` were already returned beforehand.
+Even if these changes appear to be breaking, the response of the above-mentioned Order routes does not actually change. `first_name` and `last_name` were incorrectly named in the generated spec, because technically `firstName` and `lastName` were already returned beforehand.
 
 ## Detailed changes