Fix USERPROFILE env var portability and docs notation

Author: Copilot

docs/reference/workflows.md

@@ -20,7 +20,7 @@ Example:
 specify workflow run speckit -i spec="Build a kanban board with drag-and-drop task management" -i scope=full
 ```
 
-> **Note:** Most workflow commands require a project already initialized with `specify init`. The exception is `specify workflow run <local-file.yml|yaml>`, which can run outside a project; in that case, run state is stored under the current directory's `.specify/workflows/runs/<run_id>/`.
+> **Note:** Most workflow commands require a project already initialized with `specify init`. The exception is `specify workflow run <local-file.{yml,yaml}>`, which can run outside a project; in that case, run state is stored under the current directory's `.specify/workflows/runs/<run_id>/`.
 
 ## Resume a Workflow
 

tests/test_workflow_run_without_project.py

@@ -58,6 +58,7 @@ def test_workflow_run_yaml_with_tilde_and_uppercase_suffix(self, tmp_path, monke
         home_dir = tmp_path / "home"
         home_dir.mkdir()
         monkeypatch.setenv("HOME", str(home_dir))
+        monkeypatch.setenv("USERPROFILE", str(home_dir))
 
         workflow_file = home_dir / "test-workflow.YML"
         workflow_content = {