diff --git a/csrc/u8g2_circle.c b/csrc/u8g2_circle.c
index caacdbf8..00c42bc5 100644
--- a/csrc/u8g2_circle.c
+++ b/csrc/u8g2_circle.c
@@ -1,6 +1,6 @@
 /*
 
-  u8g2_box.c
+  u8g2_circle.c
 
   Universal 8bit Graphics Library (https://github.com/olikraus/u8g2/)