Update README.md

Author: bhillkeyfactor

README.md

@@ -47,7 +47,7 @@ The A10 vThunder Orchestrator provides automated certificate lifecycle managemen
 - **Certificate Inventory**: Comprehensive discovery and inventory of existing certificates
 - **Management Interface Certificates**: SCP-based deployment for A10 management interface certificates
 - **PAM Integration**: Support for Privileged Access Management systems
-- **Advanced Certificate Replacement**: Zero-downtime certificate replacement with automatic template rebinding
+- **Advanced Certificate Replacement**: Limited-downtime certificate replacement with automatic template rebinding
 
 ### Architecture
 
@@ -925,4 +925,4 @@ Apache License 2.0, see [LICENSE](LICENSE).
 
 ## Related Integrations
 
-See all [Keyfactor Universal Orchestrator extensions](https://github.com/orgs/Keyfactor/repositories?q=orchestrator).
+See all [Keyfactor Universal Orchestrator extensions](https://github.com/orgs/Keyfactor/repositories?q=orchestrator).