diff --git a/README.org b/README.org
index 731357a..ffd7248 100644
--- a/README.org
+++ b/README.org
@@ -39,6 +39,10 @@ The file needs to be renamed to config.json
 
 The software uses the Arduino framework and the development environment of [[https://platformio.org/][PlatformIO]], which offers better tooling than the official Arduino IDE.
 
+*** Generate compilation database
+#+begin_src sql
+pio run -t compiledb
+#+end_src
 *** Upload the configuration file to the board
 #+begin_src shell
 pio run -t uploadfs