doc: var name (#2140)

* fix: 🐛 var name

ui/admin/tests/e2e/README.md

@@ -4,6 +4,7 @@
 # Admin UI e2e tests
 
 - [Admin UI e2e tests](#admin-ui-e2e-tests)
+- [Admin UI e2e tests](#admin-ui-e2e-tests-1)
   - [Prerequisites:](#prerequisites)
     - [Accesses](#accesses)
     - [Software](#software)
@@ -15,7 +16,7 @@
     - [Setup Enos:](#setup-enos)
   - [Run tests:](#run-tests)
     - [Launch Enos Scenario](#launch-enos-scenario)
-    - [Run tests](#run-tests)
+    - [Run tests](#run-tests-1)
     - [Destroy Enos Scenario](#destroy-enos-scenario)
   - [Developing Tests](#developing-tests)
 
@@ -99,7 +100,7 @@ Enos needs some configuration variables to run the scenario successfully. [See t
 - `enos_user`: The user name to use for Boundary.
 - `tfc_api_token`: you need to provide the previously created token in Terraform cloud, there is no shared token within Boundary team.
 - `local_boundary_dir`: The directory that contains Boundary binary.
-- `local_boundary_ui_dir`: The directory that contains the copy of boundary-ui you want to use for UI tests.
+- `local_boundary_ui_src_dir`: The directory that contains the copy of boundary-ui you want to use for UI tests.
 - `e2e_debug_no_run`: make sure this is set to true.
 
 More documentation about [scenario variables](https://github.com/hashicorp/boundary/tree/main/enos#scenarios-variables).