Update overview.md

Author: jinruishao

articles/ai-services/content-safety/overview.md

@@ -155,7 +155,7 @@ To use the Content Safety APIs, you must create your Azure AI Content Safety res
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 | Australia East                     | ✅                  |                    | ✅    |                 | ✅                 | ✅             | ✅                         | ✅                         | ✅    | ✅           |
 | Canada East                          |                    |                    | ✅    |                 | ✅                 | ✅             | ✅                         | ✅                         | ✅    | ✅           |
-| Central US                             |                    |                    | ✅    |                 | ✅                 | ✅             | ✅                         | ✅                         | ✅    | ✅           |
+| Central US                             |                    |                    | ✅    |                 | ✅                 |             | ✅                         | ✅                         | ✅    | ✅           |
 | East US                            | ✅                 |                  | ✅    | ✅              | ✅                 | ✅             | ✅                         | ✅                         | ✅    | ✅           |
 | East US 2                           |                    | ✅                 | ✅    |                 | ✅                 | ✅             | ✅                         | ✅                         | ✅    | ✅           |
 | France Central                        |                    | ✅                 | ✅    |                 | ✅                 | ✅             | ✅                         | ✅                         | ✅    | ✅           |