Update README.md

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Author: AlexanderHodicke

cloud-infrastructure/networking/business-continuity-and-disaster-recovery/README.md

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 # Business Continuity and Disaster Recovery Assets
 
-These assets help you understand various HA and DR cloud architectures
+These assets help you understand various HA and DR cloud architectures.
 
+Reviewed: 06.02.2024
 
 # Useful Links
 - [OCI Disaster Recovery Overview](https://docs.oracle.com/en-us/iaas/Content/cloud-adoption-framework/disaster-recovery.htm)
 - [Learning](https://learn.oracle.com/ols/event/business-continuity-disaster-recovery-on-the-cloud/89350/116373/181290)
 
+## Reference Architectures & Step-by-step Guides
 
-
-### Reference Architectures & Step-by-step Guides
-
-
-### Blogs
+## Blogs
 
-- [Two-region strategy resiliant solution](https://blogs.oracle.com/cloud-infrastructure/post/ocis-tworegion-strategy-resilient-solution)
-
-
+- [Two-region strategy resilient solution](https://blogs.oracle.com/cloud-infrastructure/post/ocis-tworegion-strategy-resilient-solution)
 
 # License