Update README.md (#976)

Corrected a 2nd bad link to the 'add-ons' directory on this page.

Co-authored-by: Jason Masten <jamasten@microsoft.com>

README.md

@@ -58,7 +58,7 @@ You must have [Owner RBAC permissions](https://docs.microsoft.com/en-us/azure/ro
  | [![Deploy to Azure](https://aka.ms/deploytoazurebutton)](https://portal.azure.com/#blade/Microsoft_Azure_CreateUIDef/CustomDeploymentBlade/uri/https%3A%2F%2Fraw.githubusercontent.com%2FAzure%2Fmissionlz%2Fmain%2Fsrc%2Fbicep%2Fmlz.json/uiFormDefinitionUri/https%3A%2F%2Fraw.githubusercontent.com%2FAzure%2Fmissionlz%2Fmain%2Fsrc%2Fbicep%2Fform%2Fmlz.portal.json) | [![Deploy to Azure Gov](https://aka.ms/deploytoazuregovbutton)](https://portal.azure.us/#blade/Microsoft_Azure_CreateUIDef/CustomDeploymentBlade/uri/https%3A%2F%2Fraw.githubusercontent.com%2FAzure%2Fmissionlz%2Fmain%2Fsrc%2Fbicep%2Fmlz.json/uiFormDefinitionUri/https%3A%2F%2Fraw.githubusercontent.com%2FAzure%2Fmissionlz%2Fmain%2Fsrc%2Fbicep%2Fform%2Fmlz.portal.json) |
 <!-- markdownlint-enable MD013 -->
 
-2. After a successful deployment, see our [examples](./src/bicep/examples/README.md) directory for how to extend the capabilities of Mission Landing Zone.
+2. After a successful deployment, see our [add-ons](./src/bicep/add-ons/) directory for how to extend the capabilities of Mission Landing Zone.
 
 ### Deploy using the Azure CLI