Update articles/cognitive-services/language-service/overview.md

Author: aahill

articles/cognitive-services/language-service/overview.md

@@ -128,7 +128,7 @@ This Language service unifies the known Microsoft services of Text Analytics, Qn
       :::image type="content" source="media/studio-examples/single-classification.png" alt-text="A screenshot of a custom text classification example." lightbox="media/studio-examples/single-classification.png":::
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-      [Custom text classification](./custom-text-classification/overview.md) enables you to build custom AI models to classify an unstructured passage of text into custom classes you define.
+      [Custom text classification](./custom-text-classification/overview.md) enables you to build custom AI models to classify unstructured text documents into custom classes you define.
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