diff --git a/README.md b/README.md
index 032e7cb..6fca496 100644
--- a/README.md
+++ b/README.md
@@ -2,6 +2,9 @@
 
 This code implements a rotating nametag.
 
+Edit main.cpp to set your name.
+
 [Install PlatformIO](https://platformio.org/install) to build this firmware.
 
-Edit main.cpp to set your name.
\ No newline at end of file
+**NOTE FOR WINDOWS USERS:** Long filenames must be enabled to correctly open this repository in PlatformIO. *BEFORE* opening this repository, follow the instructions located on the [Arduino-Pico docs page](https://arduino-pico.readthedocs.io/en/latest/platformio.html#important-steps-for-windows-users-before-installing).
+