Update content/operate/rc/security/database-security/block-public-endpoints.md

Co-authored-by: David Dougherty <david.dougherty@redis.com>

Author: cmilesb

content/operate/rc/security/database-security/block-public-endpoints.md

@@ -17,7 +17,7 @@ Users with Redis Cloud Pro databases can choose to block public endpoints for al
 
 ## Block public endpoints
 
-You can block public endpoints for a subscription for a [new subscription](#new-subscription) or an [existing subscription](#existing-subscription).
+You can block public endpoints for a [new subscription](#new-subscription) or an [existing subscription](#existing-subscription).
 
 ### New subscription