diff --git a/README.md b/README.md
index a93824d..4287ca4 100644
--- a/README.md
+++ b/README.md
@@ -23,6 +23,8 @@ make install
 
 This places the binary at `~/.terraform.d/plugins/git.unkin.net/unkin/artifactapi/<version>/<os_arch>/`.
 
+A `make install` build is referenced with `source = "git.unkin.net/unkin/artifactapi"` (the provider address, matching that path); the `artifactapi.example.com/terraform-unkin/artifactapi` source below is for installing from an artifactapi registry.
+
 ## Provider Configuration
 
 ```hcl