More Acrolinx fixes

Author: GraemeMalcolm

learn-pr/wwl-data-ai/generate-images-azure-openai/4-dall-e-rest-api.yml

@@ -1,8 +1,8 @@
 ### YamlMime:ModuleUnit
 uid: learn.wwl.generate-images-azure-openai.dall-e-rest-api
-title: Create a client application that uses a image generation model
+title: Create a client application that uses an image generation model
 metadata:
-  title: Create a client application that uses a image generation model
+  title: Create a client application that uses an image generation model
   description: Use APIs and SDKs to consume image generation models.
   author: ivorb
   ms.author: berryivor