Update tools/terraform-bundle/README.md

Co-Authored-By: Alisdair McDiarmid <alisdair@users.noreply.github.com>

Author: mildwonkey

tools/terraform-bundle/README.md

@@ -158,7 +158,7 @@ providers {
 The binary must be placed in the following directory:
 
 ```
-./plugins/example.com/myorg/customplugin/0.1/linux_amd64/
+./.plugins/example.com/myorg/customplugin/0.1/linux_amd64/
 ```
 
 ## Provider Resolution Behavior