[STRATCONN-3072]-Update pinterest conversions doc

Author: varadarajan-tw

src/connections/destinations/catalog/actions-pinterest-conversions-api/index.md

@@ -130,7 +130,7 @@ Segment automatically maps User Data fields to their corresponding parameters [a
 
 ### Custom Data Parameters
 
-Segment automatically maps Custom Data fields to their corresponding parameters [as expected by the Conversions API](https://developers.pinterest.com/docs/conversions/best/#Authenticating%20for%20the%20Conversion%20Tracking%20endpoint#The%20%2Cuser_data%2C%20and%20%2Ccustom_data%2C%20objects#Required%2C%20recommended%2C%20and%20optional%20fields#Required%2C%20recommended%2C%20and%20optional%20fields#User_data%2C%20and%20%2Ccustom_data%2C%20objects){:target="_blank"} before sending to Pinterest Conversions:
+Segment automatically maps Custom Data fields (excluding `content_ids`, `contents`, `num_items`, `opt_out_type`) to their corresponding parameters [as expected by the Conversions API](https://developers.pinterest.com/docs/conversions/best/#Authenticating%20for%20the%20Conversion%20Tracking%20endpoint#The%20%2Cuser_data%2C%20and%20%2Ccustom_data%2C%20objects#Required%2C%20recommended%2C%20and%20optional%20fields#Required%2C%20recommended%2C%20and%20optional%20fields#User_data%2C%20and%20%2Ccustom_data%2C%20objects){:target="_blank"} before sending to Pinterest Conversions:
 
 | User Data Field | Conversions API Custom Data Parameter |
 | --------------- | ------------------------------------- |