diff --git a/docs/1_AWS_Essentials/Disaster_Recovery_RPO_TRO.md b/docs/1_AWS_Essentials/Disaster_Recovery_RPO_TRO.md
index 6bb153f..b83949c 100644
--- a/docs/1_AWS_Essentials/Disaster_Recovery_RPO_TRO.md
+++ b/docs/1_AWS_Essentials/Disaster_Recovery_RPO_TRO.md
@@ -11,6 +11,6 @@
     * The time between occurrence of a disaster and business required systems are operational again.
   * **Improve this by decreasing restore time:**
     * Hot Spares
-    * Processes:
+    * [Processes](https://docs.aws.amazon.com/wellarchitected/latest/framework/a-failure-management.html):
       * Game days
       * Run books
diff --git a/docs/3_Networking/3a_VPC_Essentials/NACLs.md b/docs/3_Networking/3a_VPC_Essentials/NACLs.md
index dedae84..db33e6e 100644
--- a/docs/3_Networking/3a_VPC_Essentials/NACLs.md
+++ b/docs/3_Networking/3a_VPC_Essentials/NACLs.md
@@ -2,6 +2,8 @@
 
 * [Return to table of contents](../../../README.md)
 
+* [Network ACLs description](https://docs.aws.amazon.com/vpc/latest/userguide/vpc-network-acls.html)
+
 * **Useful Links:**
   * [Wikipedia Ephemeral Port article](https://en.wikipedia.org/wiki/Ephemeral_port)