diff --git a/platformio.ini b/platformio.ini
index 4ab3467..485aacf 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -71,7 +71,7 @@
 ; ! SX1280 experimental ranging, not guaranteed to work
 ; src_dir = examples/RadioLibExamples/SX1280/Ranging/54_Ranging_Master
 ; src_dir = examples/RadioLibExamples/SX1280/Ranging/55_Ranging_Slave
-; src_dir = examples/RadioLibExamples/SX1280/Ranging/SX128x_RangingSlave
+; src_dir = examples/RadioLibExamples/SX1280/Ranging/SX128x_RangingMaster
 ; src_dir = examples/RadioLibExamples/SX1280/Ranging/SX128x_RangingSlave
 
 ; src_dir = examples/RadioLibExamples/TBeamAllFunction