diff --git a/Bulk-Import-Services.md b/Bulk-Import-Services.md
index 2060465..162027f 100644
--- a/Bulk-Import-Services.md
+++ b/Bulk-Import-Services.md
@@ -1,4 +1,4 @@
-You can import multiple services when the Statping service first loads by creating a file named [service.yml](https://github.com/statping/statping/wiki/services.yml). It will insert the new service into the database, and will not be re-added on reboot. 
+You can import multiple services when Statping first loads by creating a file named [service.yml](https://github.com/statping/statping/wiki/services.yml) in the working directory for Statping. It will insert the new service into the database, and will not be re-added on reboot. All services must be an array under the `services:` field. 
 
 ## Custom Yaml
 With Yaml, you can insert "anchors" to make receptive fields simple! Checkout the example below. The `&tcpservice` anchor will return all the fields belonging to `x-tcpservice:`. To reuse these fields for each service, you can insert `<<: *tcpservice` and thats it! 
@@ -40,4 +40,11 @@ services:
   - name: Statping Github
     domain: https://github.com/statping/statping
     <<: *httpservice
+```
+
+## Duplicates
+Services that have already been added into the database will not be added again. This is done by creating a SHA256 hash of the following fields...
+
+```
+sha256(name:EXAMPLEdomain:HTTP://DOMAIN.COMport:8080type:HTTPmethod:GET)
 ```
\ No newline at end of file