Merge pull request #4999 from MicrosoftDocs/spelling-fix1

typo-fix

Author: Ruchika-mittal01

defender-office-365/tenant-allow-block-list-about.md

@@ -106,7 +106,7 @@ Unnecessary allow entries expose your organization to malicious email that the s
   - If spoof intelligence already blocked the message as spoofing, use the **Submissions** page at <https://security.microsoft.com/reportsubmission> to [report the email to Microsoft](submissions-admin.md#report-good-email-to-microsoft) as **I've confirmed it's clean**, and then select **Allow this message**.
   - You can proactively create [an allow entry for a spoofed sender](tenant-allow-block-list-email-spoof-configure.md#create-allow-entries-for-spoofed-senders) on the **Spoofed sender** tab in the Tenant Allow/Block List before [spoof intelligence](anti-spoofing-spoof-intelligence.md) identifies and blocks the message as spoofing.
 
-- **IP Addresses**: You can proactively create an [an allow entry for an IP address](tenant-allow-block-list-ip-addresses-configure.md#create-block-entries-for-ipv6-addresses) on the **IP addresses** tab in the Tenant Allow/Block List to override the IP filters for incoming messages.
+- **IP Addresses**: You can proactively create [an allow entry for an IP address](tenant-allow-block-list-ip-addresses-configure.md#create-block-entries-for-ipv6-addresses) on the **IP addresses** tab in the Tenant Allow/Block List to override the IP filters for incoming messages.
   - An IP address allow entry bypasses IP-based filtering checks (for example, connection filtering or IP reputation checks).
   - An IP address allow entry doesn't change message throttling behavior.
   - An IP address block entry rejects messages at the service edge.