Fix typo: aunthenticator->authenticator

app/views/profiles/two_factor_auths/show.html.haml

@@ -25,7 +25,7 @@
 
       - else
         %p
-          Install a soft token aunthenticator like <a href="https://freeotp.github.io/">FreeOTP</a>
+          Install a soft token authenticator like <a href="https://freeotp.github.io/">FreeOTP</a>
           or Google Authenticator from your application repository and scan this QR code.
           More information is available in the #{link_to('documentation', help_page_path('user/profile/account/two_factor_authentication'))}.
         .row.append-bottom-10