FileTypes param update

Author: chrisda

exchange/exchange-ps/exchange/New-MalwareFilterPolicy.md

@@ -535,7 +535,7 @@ The FileTypes parameter specifies the file types that are automatically blocked
 
 This parameter is meaningful only if the value of the EnableFileFilter parameter is $true.
 
-The common attachments filter uses best effort true-typing to detect the file type regardless of the file name extension. If true-typing fails or isn't supported for the specified file type, then extension matching is used. For example, .ps1 files are Windows PowerShell scripts, but their true type is text.
+The common attachments filter uses best effort true-typing to detect the file type regardless of the file name extension. For example, an exe file renamed to txt is detected as an exe file. If true-typing fails or isn't supported for the specified file type, then extension matching is used.
 
 To replace the existing list of file types with the values you specify, use the syntax `FileType1,FileType2,...FileTypeN`. To preserve existing values, be sure to include the file types that you want to keep along with the new values that you want to add.
 

exchange/exchange-ps/exchange/Set-MalwareFilterPolicy.md

@@ -569,11 +569,11 @@ The FileTypes parameter specifies the file types that are automatically blocked
 
 This parameter is meaningful only if the value of the EnableFileFilter parameter is $true.
 
-The common attachments filter uses best effort true-typing to detect the file type regardless of the file name extension. If true-typing fails or isn't supported for the specified file type, then extension matching is used. For example, .ps1 files are Windows PowerShell scripts, but their true type is text.
+The common attachments filter uses best effort true-typing to detect the file type regardless of the file name extension. For example, an exe file renamed to txt is detected as an exe file. If true-typing fails or isn't supported for the specified file type, then extension matching is used.
 
 To replace the existing list of file types with the values you specify, use the syntax `FileType1,FileType2,...FileTypeN`. To preserve existing values, be sure to include the file types that you want to keep along with the new values that you want to add.
 
-To add or remove file types without affecting the other file type entries, see the Examples section in the Set-MalwareFilterPolicy cmdlet topic.
+To add or remove file types without affecting the other file type entries, see the Examples section in this topic.
 
 ```yaml
 Type: String[]