diff --git a/config/config.go b/config/config.go
index 1f13c9a..b7c6f20 100644
--- a/config/config.go
+++ b/config/config.go
@@ -11,19 +11,19 @@ import (
 )
 
 type Config struct {
-	SQLitePath string
+	SQLitePath string // path relative to the executable where the database is at.
 	CSRFKey    string // random string at least 32 bytes long.
 
 	Domain       string // domain used both for the frontend and SSH
-	Port         uint
-	SSHPort      uint
-	AllowSignups bool
+	Port         uint   // HTTP/S port
+	SSHPort      uint   // SSH port
+	AllowSignups bool   // boolean. Invites allow to signup users.
 
-	InviteTokenLength   uint          // length of token. 6 -> "abc123"
+	InviteTokenLength   uint          // length of token. 6 -> "abc123". If set to 0 it will error out.
 	InviteTokenDuration time.Duration // how much an invite should last: 7d or 4h or 2h45m
 
-	HackatimeClientID     string
-	HackatimeClientSecret string
+	HackatimeClientID     string // optional field for hackatime oauth
+	HackatimeClientSecret string // optional field for hackatime oauth
 }
 
 var C Config