Better document GuildEdit arguments

restapi.go

@@ -371,7 +371,7 @@ func (s *Session) GuildCreate(name string) (st *Guild, err error) {
 
 // GuildEdit edits a new Guild
 // guildID   : The ID of a Guild
-// name      : A name for the Guild (2-100 characters)
+// g 		 : A GuildParams struct with the values Name, Region and VerificationLevel defined.
 func (s *Session) GuildEdit(guildID string, g GuildParams) (st *Guild, err error) {
 
 	// Bounds checking for VerificationLevel, interval: [0, 3]