Fix typo in documentation

Author: mavwolverine

docs/index.md

@@ -1783,9 +1783,9 @@ You must set one parameter:
 
 You must have the same naming convention in the key value in secret as in the field name. For example, if the key in secret is named `SqlServerPassword`, the field name must be the same. You can use an alias too.
 
-In Key Vault, nested models are supported with the `--` separator. For example, `SqlServer--Password`.
+In AWS Secrets Manager, nested models are supported with the `--` separator in the key name. For example, `SqlServer--Password`.
 
-Key Vault arrays (e.g. `MySecret--0`, `MySecret--1`) are not supported.
+Arrays (e.g. `MySecret--0`, `MySecret--1`) are not supported.
 
 ```py
 import os