diff --git a/telemetry/conf/master.cfg b/telemetry/conf/master.cfg
index ab767593..4bf3ed6b 100644
--- a/telemetry/conf/master.cfg
+++ b/telemetry/conf/master.cfg
@@ -12,7 +12,7 @@ commit = None
 radio_mtu = 1446          # MAX_PAYLOAD_SIZE, don't change if doubt
 mavlink_agg_timeout = 0.1 # aggragate mavlink packets if less than radio_mtu but no longer than 100ms
 tx_sel_delta = 3          # hysteresis for antenna selection, [dB]
-wifi_channel = 165        # radio channel @5825 MHz, range: 5815–5835 MHz, width 20MHz
+wifi_channel = 165        # radio channel @5825 MHz, range: 5815-5835 MHz, width 20MHz
 wifi_region = 'BO'        # Set CRDA region