'README.md' updaten

README.md

@@ -36,10 +36,10 @@ OCTOMODE_PAD_API_KEY=XXX
 - **OCTOMODE_PAD_API_KEY**: *required*, **no default**
 - **OCTOMODE_APPLICATION_ROOT**: *optional*, default: `/`
 - **OCTOMODE_PORTNUMBER**: *optional*, default: `5001`
-- **OCTOMODE_PAD_URL**: *optional*, default: `https://pad.vvvvvvaria.org/`
+- **OCTOMODE_PAD_URL**: *required*, default: `https://pad.vvvvvvaria.org/` (you need API access to this pad instance)
-- **OCTOMODE_PAD_API_URL**: *optional*, default: `https://pad.vvvvvvaria.org/api/1.2.15/`
+- **OCTOMODE_PAD_API_URL**: *required*, default: `https://pad.vvvvvvaria.org/api/1.2.15/`
 
-**Note**: you must provide a value for `OCTOMODE_PAD_API_KEY`.
+**Note**: you must provide a value for `OCTOMODE_PAD_API_KEY`, `OCTOMODE_PAD_URL` and `OCTOMODE_PAD_API_URL`.
 
 Now we install the dependencies. All the `python` dependencies are listed in `requirements.txt`. To install them, you can run.