diff --git a/tests/README.md b/tests/README.md
index 09dcd6ce..7d8e378d 100644
--- a/tests/README.md
+++ b/tests/README.md
@@ -63,6 +63,7 @@ The commands for the respective test categories are listed below.
 | :--- | :----------------- | :-------------------- | :-------- | :-------------------- |
 | Unit | Main function      | nw/\_\_init\_\_.py    | `-m base` | `-k testBaseInit`     |
 | Unit | Common functions   | nw/common.py          | `-m base` | `-k testBaseCommon`   |
+| Unit | Config class       | nw/config.py          | `-m base` | `-k testBaseConfig`   |
 | Unit | Error handlers     | nw/error.py           | `-m base` | `-k testBaseError`    |
 | Unit | Core functions     | nw/core/tools.py      | `-m core` | `-k testCoreTools`    |
 | Unit | NWDoc class        | nw/core/document.py   | `-m core` | `-k testCoreDocument` |