Update computer-use.md

Author: mrbullwinkle

articles/ai-services/openai/how-to/computer-use.md

@@ -222,7 +222,7 @@ response_2 = client.responses.create(
     tools=[{
         "type": "computer-preview",
         "display_width": 1024,
-        "display_height": 768
+        "display_height": 768,
         "environment": "browser" # other possible values: "mac", "windows", "ubuntu"
     }],
     input=[
@@ -363,4 +363,4 @@ In all cases where `pending_safety_checks` are returned, actions should be hande
 
 * [Responses API](./responses.md)
     * [Computer Use with playwright](./responses.md#computer-use)
-* [Computer Use Assistant sample on Github](https://github.com/Azure-Samples/computer-use-model)
+* [Computer Use Assistant sample on Github](https://github.com/Azure-Samples/computer-use-model)