Update library.properties.

CelliesProjects · CelliesProjects · commit 5d1a772c4c14 · 2019-07-29T13:04:06.000+02:00
diff --git a/library.properties b/library.properties
@@ -6,5 +6,5 @@ sentence=Get lunar phase information.
 paragraph=ESP32 library to calculate the moon phase angle and luminated visible surface at a given time.
 category=other
 url=https://github.com/CelliesProjects/moonPhase
-architectures=ESP32
+architectures=esp32
 includes=moonPhase.h
