provide billed unit table

Author: laujan

articles/ai-services/translator/containers/install-run.md

@@ -633,11 +633,12 @@ Usage charges are calculated based upon the `quantity` value.
       }
    ```
 
-The aggregated value of `billedUnit` for the following meters is counted  towards the characters you licensed for your disconnected container usage:
+The aggregated value of `billedUnit` for the following meters is counted towards the characters you licensed for your disconnected container usage:
 
-* `CognitiveServices.TextTranslation.Container.OneDocumentTranslatedCharacters`
-
-* `CognitiveServices.TextTranslation.Container.TranslatedCharacters`
+|Operation|Meter name|Billed unit|
+|---|---|---|
+|Text translation|`CognitiveServices.TextTranslation.Container.TranslatedCharacters`| 1 character = 1 billed unit|
+|Document translation|`CognitiveServices.TextTranslation.Container.OneDocumentTranslatedCharacters`|1 char = 1.5 billed unit.|
 
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