fixed minor typo (MicrosoftDocs#205)

"languagess" -> "languages"

Author: ashleedawg

api/Office.LanguageSettings.md

@@ -44,7 +44,7 @@ Use  **Application.LanguageSettings.LanguagePreferredForEditing** to determine w
 ```vb
 If Application.LanguageSettings. _ 
  LanguagePreferredForEditing(msoLanguageIDEnglishUS) Then 
- MsgBox "U.S. English is one of the chosen editing languagess." 
+ MsgBox "U.S. English is one of the chosen editing languages." 
 End If
 ```