Use go-humanize for somewhat nicer duration output.

main.go

@@ -12,6 +12,7 @@ import (
 
 	"net/http"
 
+	"github.com/dustin/go-humanize"
 	"github.com/icedream/go-footballdata"
 	"github.com/olekukonko/tablewriter"
 	"github.com/thoj/go-ircevent"
@@ -412,7 +413,7 @@ func main() {
 			cmd := parseCommand(msg)
 			log.Printf("Antispam check: %s, %s", event.Source, cmd.Name)
 			if ok, duration := antispamInstance.Check(event.Source, cmd.Name); !ok {
-				conn.Noticef(sender, "Sorry, you need to wait %s before you can use this command again!", duration)
+				conn.Noticef(sender, "Sorry, please try again %s.", humanize.Time(time.Now().Add(duration)))
 				return
 			}