diff --git a/Using-RTLSDR-on-HF-with-an-upconverter.md b/Using-RTLSDR-on-HF-with-an-upconverter.md
index 56b6876..7c52190 100644
--- a/Using-RTLSDR-on-HF-with-an-upconverter.md
+++ b/Using-RTLSDR-on-HF-with-an-upconverter.md
@@ -26,4 +26,4 @@ shown_center_freq = center_freq - 120000000
 
 ## Troubleshooting
 
-If the shown center frequency is not changed in the UI, don't forget to remove the default value,  `shown_center_freq = center_freq` that is later in the config file. 
\ No newline at end of file
+If the shown center frequency is not changed on the UI, don't forget to remove the default value,  `shown_center_freq = center_freq` that is later in the config file. 
\ No newline at end of file