diff --git a/Program.cs b/Program.cs
index 8c23fcb37c007dd31d06c48baaf80d9f47fa38a5..72ce47dbbc9a08a8e4764f6b1da26a81e259a2cd 100644
--- a/Program.cs
+++ b/Program.cs
@@ -588,7 +588,7 @@ class Program
 	static int Main(string[] args)
 	{
 		var configOption = new Option<FileInfo>
-			("--config", "Path to configuration file.");
+			("--config", "Path to configuration file. If not set configuration will be taken from ~/.config/i3/i3csstatus.conf or if there is no file, default config will be taken.");
 		configOption.AddAlias("-c");
 		var rootCommand = new RootCommand(
 @"i3csstatus - Alternative generator of i3 status bar written in c#