diff --git a/Configuration.md b/Configuration.md
index 647d6a4..6e1c98d 100644
--- a/Configuration.md
+++ b/Configuration.md
@@ -4,6 +4,7 @@ In order to control some features of desktop app, you can use the following comm
 `--disable-updater` totally disable updater and hide Update option in app settings  
 `--proxy-server=1.2.3.4:80` use proxy 1.2.3.4:80 instead of system-wide setting  
 `--minimized` start the app minimized to tray or menubar  
+`--devtools` show devtools on start  
 
 You can also specify a file you would like to open as the last argument:  
 ```bash