Typo fixes

Author: chrisda

exchange/exchange-ps/exchange/Enable-App.md

@@ -108,7 +108,7 @@ Accept wildcard characters: False
 ```
 
 ### -Mailbox
-The Mailbox parameter specifies the the mailbox. You can use any value that uniquely identifies the mailbox. For example:
+The Mailbox parameter specifies the mailbox. You can use any value that uniquely identifies the mailbox. For example:
 
 - Name
 - Alias

exchange/exchange-ps/exchange/New-AutoSensitivityLabelRule.md

@@ -406,7 +406,7 @@ Accept wildcard characters: False
 ```
 
 ### -ExceptIfProcessingLimitExceeded
-The ExceptIfProcessingLimitExceeded parameter specifies an exception for the auto-labeling policy rule rule that looks for files where scanning couldn't complete. Valid values are:
+The ExceptIfProcessingLimitExceeded parameter specifies an exception for the auto-labeling policy rule that looks for files where scanning couldn't complete. Valid values are:
 
 - $true: Look for files where scanning couldn't complete.
 - $false: Don't look for files where scanning couldn't complete.
@@ -441,7 +441,7 @@ Accept wildcard characters: False
 ```
 
 ### -ExceptIfSenderIPRanges
-The ExceptIfSenderIpRanges parameter specifies an exception for the auto-labeling policy rule rule that looks for senders whose IP addresses matches the specified value, or fall within the specified ranges. Valid values are:
+The ExceptIfSenderIpRanges parameter specifies an exception for the auto-labeling policy rule that looks for senders whose IP addresses matches the specified value, or fall within the specified ranges. Valid values are:
 
 - Single IP address: For example, 192.168.1.1.
 - IP address range: For example, 192.168.0.1-192.168.0.254.