diff --git a/discord.go b/discord.go
index e8199e1..755b087 100644
--- a/discord.go
+++ b/discord.go
@@ -21,7 +21,7 @@ import (
 )
 
 // VERSION of DiscordGo, follows Semantic Versioning. (http://semver.org/)
-const VERSION = "0.21.0-devel"
+const VERSION = "0.21.0-develop"
 
 // ErrMFA will be risen by New when the user has 2FA.
 var ErrMFA = errors.New("account has 2FA enabled")
diff --git a/restapi.go b/restapi.go
index 02909d0..8134d92 100644
--- a/restapi.go
+++ b/restapi.go
@@ -617,10 +617,10 @@ func (s *Session) GuildCreate(name string) (st *Guild, err error) {
 // 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]
+	// Bounds checking for VerificationLevel, interval: [0, 4]
 	if g.VerificationLevel != nil {
 		val := *g.VerificationLevel
-		if val < 0 || val > 3 {
+		if val < 0 || val > 4 {
 			err = ErrVerificationLevelBounds
 			return
 		}
@@ -675,7 +675,7 @@ func (s *Session) GuildLeave(guildID string) (err error) {
 	return
 }
 
-// GuildBans returns an array of User structures for all bans of a
+// GuildBans returns an array of GuildBan structures for all bans of a
 // given guild.
 // guildID   : The ID of a Guild.
 func (s *Session) GuildBans(guildID string) (st []*GuildBan, err error) {
diff --git a/structs.go b/structs.go
index 9dc1176..fd78fc9 100644
--- a/structs.go
+++ b/structs.go
@@ -327,12 +327,13 @@ func (e *Emoji) APIName() string {
 // VerificationLevel type definition
 type VerificationLevel int
 
-// Constants for VerificationLevel levels from 0 to 3 inclusive
+// Constants for VerificationLevel levels from 0 to 4 inclusive
 const (
 	VerificationLevelNone VerificationLevel = iota
 	VerificationLevelLow
 	VerificationLevelMedium
 	VerificationLevelHigh
+	VerificationLevelVeryHigh
 )
 
 // ExplicitContentFilterLevel type definition
@@ -1015,7 +1016,7 @@ const (
 	ErrCodeMissingAccess                             = 50001
 	ErrCodeInvalidAccountType                        = 50002
 	ErrCodeCannotExecuteActionOnDMChannel            = 50003
-	ErrCodeEmbedCisabled                             = 50004
+	ErrCodeEmbedDisabled                             = 50004
 	ErrCodeCannotEditFromAnotherUser                 = 50005
 	ErrCodeCannotSendEmptyMessage                    = 50006
 	ErrCodeCannotSendMessagesToThisUser              = 50007