diff --git a/src/drivers/sf10a/sf10a.cpp b/src/drivers/sf10a/sf10a.cpp
index e67138ded5..a356a1056f 100644
--- a/src/drivers/sf10a/sf10a.cpp
+++ b/src/drivers/sf10a/sf10a.cpp
@@ -85,6 +85,8 @@
 #define SF10A_MAX_DISTANCE 	(25.0f)
 
 
+/* conversion rates */
+
 #define SF10A_CONVERSION_INTERVAL 		25000			// Overclocking SF10a to 40 Hz
 // #define SF10A_CONVERSION_INTERVAL 		31250		// Maximum rate according to datasheet is 32Hz