diff --git a/README.md b/README.md
index 2758db1a..41a1e2dc 100644
--- a/README.md
+++ b/README.md
@@ -121,16 +121,16 @@ Review the [Contributing Guidelines](CONTRIBUTING.md).
   * [Eventual consistency](#eventual-consistency)
   * [Strong consistency](#strong-consistency)
 * [Availability patterns](#availability-patterns)
-  * [Fail-over](#fail-over)
-  * [Replication](#replication)
-  * [Availability in numbers](#availability-in-numbers)
+    * [Fail-over](#fail-over)
+        * [Active-passive](#active-passive)
+        * [Active-active](#active-active)
+    * [Replication](#replication)
+    * [Availability in numbers](#availability-in-numbers)
 * [Domain name system](#domain-name-system)
 * [Content delivery network](#content-delivery-network)
   * [Push CDNs](#push-cdns)
   * [Pull CDNs](#pull-cdns)
 * [Load balancer](#load-balancer)
-    * [Active-passive](#active-passive)
-    * [Active-active](#active-active)
     * [Layer 4 load balancing](#layer-4-load-balancing)
     * [Layer 7 load balancing](#layer-7-load-balancing)
     * [Consistent Hashing](#consistent-hashing)