diff --git a/README.md b/README.md
index 2dc6cf7..2cc4c72 100644
--- a/README.md
+++ b/README.md
@@ -7,3 +7,14 @@ Dynamic menu library and client program inspired by dmenu
 * [GNU GPLv3 (or any later version)](LICENSE-CLIENT) for client program[s] and
   other sources except library and bindings
 * [GNU LGPLv3 (or any later version)](LICENSE-LIB) for library and bindings
+
+## Project Guidelines
+* **Coding style**
+	* [Linux kernel coding style](https://www.kernel.org/doc/Documentation/CodingStyle)
+	  for C sources with following exceptions:
+	  * spaces not tabs
+	  * indentation size is 4 characters (spaces)
+	* [Standard style](http://legacy.python.org/dev/peps/pep-0008/) for Python
+* **Build system** - [CMake](http://www.cmake.org/)
+* **API documentation** - [Doxygen](http://www.stack.nl/~dimitri/doxygen/index.html)
+  (JavaDoc style comments)