Update src/pages/messaging/customer-chat-api/index.mdx

Co-authored-by: oliwiapolec <54406259+oliwiapolec@users.noreply.github.com>

Author: GGuinea

src/pages/messaging/customer-chat-api/index.mdx

@@ -1677,7 +1677,7 @@ Returns the info about the customer requesting it.
 | `avatar`         | [Customer's](/messaging/customer-chat-api/v3.7/data-structures/#customer) avatar. Returned only if set.         |
 | `phone_number`   | [Customer's](/messaging/customer-chat-api/v3.7/data-structures/#customer) phone number. Returned only if set.   |
 | `session_fields` | An array of custom object-enclosed `key:value` pairs. Returned only if set. Available for the session duration. |
-| `omnichannel`    | An object of customer's [omnichannel data](/messaging/customer-chat-api/v3.7/data-structures/#omnichannel).     |
+| `omnichannel`    | An object of the customer's [omnichannel data](/messaging/customer-chat-api/data-structures/#customer).     |
 
 </Text>