diff --git a/README.md b/README.md
index d69a83d..85acf64 100644
--- a/README.md
+++ b/README.md
@@ -9,15 +9,17 @@ in not actively maintained projects.
 
 Note: ruleset syntax is not final.
 
-```
-% cat omnilinter.conf
+### Example ruleset
+
+```yaml
 rules:
 - title: convert deprecated auto_ptr to unique_ptr
   files: "*.cpp"
   match: auto_ptr
 
-- title: convert setup.py to pyptoject.toml
+- title: convert setup.py to pyproject.toml
   files: setup.py
+  nofiles: pyproject.toml
 
 - title: change indentation to spaces
   files: "*.py"
@@ -30,7 +32,19 @@ rules:
 
 - title: add README.md
   nofiles: README.md
+```
+
+See also [config](.omnilinter.conf) used to check omnilinter's own codebase.
+
+### Example output
+
+Command:
+```
 % omnilinter -c omnilinter.conf projects/*
+```
+
+Output:
+```
 projects/my_python_project:
 - setup.py: convert setup.py to pyptoject.toml
 - src/__init__.py: add license information
@@ -43,3 +57,19 @@ project/my_cpp_lib:
 - src/main.cpp:17: convert deprecated auto_ptr to unique_ptr
 - src/main.cpp:49: convert deprecated auto_ptr to unique_ptr
 ```
+
+## Ruleset format
+
+TODO
+
+## Arguments
+
+TODO
+
+## Author
+
+* [Dmitry Marakasov](https://github.com/AMDmi3) <amdmi3@amdmi3.ru>
+
+## License
+
+* [GPL-3.0-or-later](LICENSE)