diff --git a/README.md b/README.md
index ab456331..d6f1c5c9 100644
--- a/README.md
+++ b/README.md
@@ -12,7 +12,7 @@ If you're just getting started with the Keyboardio Model 01, the [introductory d
 
 If you want to use Kaleidoscope to customize or compile a "sketch" to power a supported keyboard, the fastest way to get started is to use the Arduino IDE. You can find [setup instructions](https://kaleidoscope.readthedocs.io/en/latest/quick_start.html) on [kaleidoscope.readthedocs.io](https://kaleidoscope.readthedocs.io)
 
-If you prefer to work from the command line or intend to work on Kaleidscope itself, please follow the instructions below
+If you prefer to work from the command line or intend to work on Kaleidscope itself, please follow the instructions below. It's important to note that the Arduino IDE needs the source code laid out in a slightly different arrangement than you'll find in this repository. If you want to use the Arduino IDE, you should follow [these instructions](https://kaleidoscope.readthedocs.io/en/latest/quick_start.html) instead.
 
 # Use git to check out a copy of Kaleidoscope