diff --git a/main.go b/main.go
index 5b44775..23c6fc9 100644
--- a/main.go
+++ b/main.go
@@ -10,6 +10,7 @@ import (
 )
 
 const (
+    // MethodPurge declaration for Varnish.
     MethodPurge = "PURGE"
 )
 
@@ -38,6 +39,7 @@ func PurgeHandler(w http.ResponseWriter, r *http.Request) {
     io.WriteString(w, status)
 }
 
+// SendToVarnish send to all varnish servers define in varnishList the PURGE request.
 func SendToVarnish(url string) string {
     status = "200 Purged"
     // Take url to ban as argument.