diff --git a/src/main.rs b/src/main.rs
index 90dc9dc..28568c7 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -7,11 +7,19 @@
 //   TO EDIT FONT:                 //
 //   - Add your font to root dir   //
 //   - edit const FONTFILENAME     //
+//   - make sure however you're    //
+//     running this, working dir   //
+//     is set to the root          //
 //                                 //
 /////////////////////////////////////
 
+/// the configurable ip address
 const IPADDRESS: &str = "0.0.0.0";
+
+/// the configurable port
 const PORT: &str = "8081";
+
+/// the configurable fontname (put it in ipimg/{FONTNAME})
 const FONTFILENAME: &str = "Roboto-Regular.ttf";
 
 use std::{io::Cursor, net::SocketAddr, fs};