diff --git a/src/lib/rc/dsm.cpp b/src/lib/rc/dsm.cpp
index 1856ce90cd..284ca6f9ff 100644
--- a/src/lib/rc/dsm.cpp
+++ b/src/lib/rc/dsm.cpp
@@ -78,7 +78,7 @@ static dsm_buf_t &dsm_buf = rc_decode_buf.dsm.buf;	/**< DSM_BUFFER_SIZE DSM dsm
 
 static uint16_t dsm_chan_buf[DSM_MAX_CHANNEL_COUNT];
 static unsigned dsm_partial_frame_count;	/**< Count of bytes received for current dsm frame */
-static unsigned dsm_channel_shift = 0;			/**< Channel resolution, 0=unknown, 1=10 bit, 2=11 bit */
+static unsigned dsm_channel_shift = 0;			/**< Channel resolution, 0=unknown, 10=10 bit (1024), 11=11 bit (2048) */
 static unsigned dsm_frame_drops = 0;			/**< Count of incomplete DSM frames */
 static uint16_t dsm_chan_count = 0;         /**< DSM channel count */