Update Set-OMEConfiguration.md

Added per Issue #1354

Author: chrisda

exchange/exchange-ps/exchange/encryption-and-certificates/Set-OMEConfiguration.md

@@ -19,8 +19,7 @@ For information about the parameter sets in the Syntax section below, see Exchan
 
 ```
 Set-OMEConfiguration [-Identity] <OMEConfigurationIdParameter> [-BackgroundColor <String>] [-ClientEncryptionEnabled <$true | $false>]
- [-DisclaimerText <String>] [-EmailText <String>] [-ExpirationOptionEnabled <$true | $false>] [-Image <Byte[]>]
- [-OTPEnabled <$true | $false>] [-PortalText <String>] [<CommonParameters>]
+ [-DisclaimerText <String>] [-EmailText <String>] [-ExpirationOptionEnabled <$true | $false>] [-Image <Byte[]>] [-IntroductionText <String>] [-OTPEnabled <$true | $false>] [-PortalText <String>] [-ReadButton <String>] [<CommonParameters>]
 ```
 
 ## DESCRIPTION
@@ -164,6 +163,20 @@ Accept pipeline input: False
 Accept wildcard characters: False
 ```
 
+### -IntroductionText
+
+```yaml
+Type: String
+Parameter Sets: (All)
+Aliases:
+Applicable: Exchange Online
+Required: False
+Position: Named
+Default value: None
+Accept pipeline input: False
+Accept wildcard characters: False
+```
+
 ### -OTPEnabled
 The OTPEnabled parameter specifies whether to allow recipients to use a one-time passcode to view encrypted messages. Valid values are:
 
@@ -200,6 +213,20 @@ Accept pipeline input: False
 Accept wildcard characters: False
 ```
 
+### -ReadButton
+
+```yaml
+Type: String
+Parameter Sets: (All)
+Aliases:
+Applicable: Exchange Online
+Required: False
+Position: Named
+Default value: None
+Accept pipeline input: False
+Accept wildcard characters: False
+```
+
 ### CommonParameters
 This cmdlet supports the common parameters: -Debug, -ErrorAction, -ErrorVariable, -InformationAction, -InformationVariable, -OutVariable, -OutBuffer, -PipelineVariable, -Verbose, -WarningAction, and -WarningVariable. For more information, see about_CommonParameters (https://go.microsoft.com/fwlink/p/?LinkID=113216).