diff --git a/README.md b/README.md
index 4967aa9..3b974c3 100644
--- a/README.md
+++ b/README.md
@@ -4,4 +4,6 @@ This repo's format:
 
 Bin folder contains the current bin that you can use esptool (.py or .exe) to install the current bin to the Watchy.
 
+src folder contains a universal (Arduino & PlatformIO) setup for compilation, instrutions on how to get it to compile are in the src folder.
+
 For instructions on usage of the firmware, see "Usage".