<h1>Log In</h1>

<% form_tag sessions_path do -%>
<p><%= label_tag 'login' %><br />
<%= text_field_tag 'login', @login %></p>

<p><%= label_tag 'password' %><br/>
<%= password_field_tag 'password', nil %></p>

<!-- Uncomment this if you want this functionality
<p><%= label_tag 'remember_me', 'Remember me' %>
<%= check_box_tag 'remember_me', '1', @remember_me %></p>
-->

<p><%= submit_tag 'Log in' %></p>
<% end -%>

<h1>Log In</h1>

<% form_tag sessions_path do -%>
<p><%= label_tag 'login', "Email" %><br />
<%= text_field_tag 'login', @login %></p>

<p><%= label_tag 'password' %><br/>
<%= password_field_tag 'password', nil %></p>

<!-- Uncomment this if you want this functionality
<p><%= label_tag 'remember_me', 'Remember me' %>
<%= check_box_tag 'remember_me', '1', @remember_me %></p>
-->

<p><%= submit_tag 'Log in' %></p>
<% end -%>

Change 'login' to 'email' on login page verbage
Change 'login' to 'email' on login page verbage
