Fix link + Add impersonation registry

Author: Maddy-Cloudflare

src/content/docs/cloudflare-one/email-security/detection-settings/blocked-senders.mdx

@@ -21,7 +21,7 @@ To configure blocked senders:
              - **Domains**: Must be a valid domain.
              - **Regular expressions**: Must be valid Java expressions. Regular expressions are matched with fields related to the sender email address (envelope from, header from, reply-to), the originating IP address, and the server name for the email.
          - **Notes**: Provide additional information about the blocked sender policy.
-   - **Upload blocked sender list**: Upload a file no larger than 150 KB. The file cannot can only contain `Blocked_Sender`, `Pattern Type,` and `Notes` fields. The first row must be a header row. Refer to [CSV uploads](/cloudflare-one/email-security/detection-settings/allow-policies/#csv-uploads) for an example file.
+   - **Upload blocked sender list**: Upload a file no larger than 150 KB. The file cannot can only contain `Blocked_Sender`, `Pattern Type,` and `Notes` fields. The first row must be a header row. Refer to [CSV uploads](/cloudflare-one/email-security/detection-settings/blocked-senders/#csv-uploads) for an example file.
 6. Select **Save**.
 
 ### CSV uploads

src/content/docs/cloudflare-one/email-security/detection-settings/impersonation-registry.mdx

@@ -26,12 +26,25 @@ To add a user to the impersonation registry:
        - **User email**: Enter one of the following:
          - **Email address**: Enter all known email addresses, separated by a comma.
          - **Regular expressions**: Must be valid Java expressions.
-   - **Upload manual list**: You can upload a file no larger than 150 KB containing all variables of potential emails. The file must contain `Display_Name` and `Email`, and the first row must be the header row.
+   - **Upload manual list**: You can upload a file no larger than 150 KB containing all variables of potential emails. The file must contain `Display_Name` and `Email`, and the first row must be the header row. Refer to [CSV uploads](/cloudflare-one/email-security/detection-settings/impersonation-registry/#csv-uploads) for an example file.
    - **Select from existing directories**:
        - **Select directory**: Select your directory.
        - **Add users or groups**: Choose the users or groups you want to register.
 6. Select **Save**.
 
+### CSV uploads
+
+You can upload a file no larger than 150 KB containing all variables of potential emails. The file must contain `Display_Name` and `Email`, and the first row must be the header row.
+
+An example file would look like this:
+
+```txt
+Display Name, Email
+Star Phish, [email protected]
+Phish Ee, [email protected]
+```
+
+
 ## Edit users
 
 :::note