Fix headings, revise message about existing I2P routers on Firefox page

i2p2www/pages/downloads/firefox.html

@@ -7,11 +7,11 @@
 <p>{% trans -%}
 The I2P Firefox Browser Profile has been expanded into the new I2P Easy Install
 Bundle, which is in Beta. If you already have an I2P Router installed, it is
-still safe to use this installer to configure your I2P Browser. If you do not
-have an I2P router installed, then you do not need to install I2P. This package
-will install I2P at the same time it installs the browser profile. This page
-has been kept to document the motivations and design of the included Firefox
-profile.
+still safe to use this installer to configure your I2P Browser. Your existing
+I2P Settings will be left untouched. If you do not have an I2P router installed,
+then you do not need to install I2P. This package will install I2P at the same
+time it installs the browser profile. This page has been kept to document the
+motivations and design of the included Firefox profile.
 {%- endtrans %}</p>
 <h2>{{ _('I2P Firefox Browser Profile') }}</h2>
 <p>{% trans -%}

i2p2www/pages/downloads/nsis.html

 {% extends "global/layout.html" %}
 {%- from "downloads/macros" import package_outer with context -%}
-{% block title %}Firefox Profile{% endblock %}
+{% block title %}I2P Easy Install Bundle(Beta){% endblock %}
 {% block content %}
 
 <h1>{{ _('I2P Easy Install Bundle(Beta)') }}</h1>