change text on password reset page (pypi#4571)

Author: rileythomp

warehouse/templates/accounts/request-password-reset.html

@@ -21,7 +21,7 @@
       <h1 class="page-title">Password reset</h1>
       {% if form %}
         <form method="POST" action="{{ request.current_route_path() }}">
-          <p>To reset your account password enter username or email below.</p>
+          <p>To reset your password, enter your username or email below.</p>
           <input name="csrf_token" type="hidden" value="{{ request.session.get_csrf_token() }}">
           {% if form.errors.__all__ %}
             <ul class="form-errors">