app/views/users/mailer/confirmation_instructions.html.erb
<p>Welcome <%= @email %>!</p>
<p>You can confirm your account email through the link below:</p>
<p><%= link_to 'Confirm my account', confirmation_url(@resource, confirmation_token: @token) %></p>
<p>Once you confirm your account, you will be able to view and analyze logs from applications added to your account by an admin.<p>