diff --git a/df_datalink_sp/src/main.c b/df_datalink_sp/src/main.c
index 6b8afb3..63149c5 100644
--- a/df_datalink_sp/src/main.c
+++ b/df_datalink_sp/src/main.c
@@ -91,7 +91,7 @@ L2_CONFIG linkConfig = {
 // 	.headId = 1,
 // 	.bkpHeadId = 0,
 // 	.netScale = 2,
-// 	.phyInstPtr = NULL, // pyhsical layer reference
+// 	.phyInstPtr = NULL, // physical layer reference
 // 	.tmcInstPtr = NULL
 // };