make url relative and correct

Author: markzegarelli

src/connections/storage/catalog/redshift/index.md

@@ -74,7 +74,7 @@ After creating a Redshift warehouse, the next step is to connect Segment:
 3. Enter your Redshift credentials
 
 ## Security
-VPCs keep servers inaccessible to traffic from the internet. With VPC, you're able to designate specific web servers access to your servers.  In this case, you will be whitelisting the [Segment IPs](https://segment.com/docs/connections/warehouses/faq/#which-ips-should-i-whitelist/) to write to your data warehouse.
+VPCs keep servers inaccessible to traffic from the internet. With VPC, you're able to designate specific web servers access to your servers.  In this case, you will be whitelisting the [Segment IPs](/docs/connections/storage/warehouses/faq#which-ips-should-i-whitelist) to write to your data warehouse.
 
 ## Best Practice