Issue 2491 - Fix design elements in onboarding slides

mobile/android/base/strings.xml.in

 #filter substitution
 <?xml version="1.0" encoding="utf-8"?>
 <!-- This Source Code Form is subject to the terms of the Mozilla Public
    - License, v. 2.0. If a copy of the MPL was not distributed with this
    - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
 
 <!DOCTYPE resources [
 #includesubst @BRANDPATH@
 #includesubst @STRINGSPATH@
 #includesubst @SYNCSTRINGSPATH@
@@ skipping 375 matching lines @@
   <string name="remote_tabs_panel_moved_link">&remote_tabs_panel_moved_link;</string>
 
   <string name="filepicker_title">&filepicker_title;</string>
   <string name="filepicker_audio_title">&filepicker_audio_title;</string>
   <string name="filepicker_image_title">&filepicker_image_title;</string>
   <string name="filepicker_video_title">&filepicker_video_title;</string>
 
   <!-- Default bookmarks. We used to use bookmark titles shared with XUL from mobile's
        profile/bookmarks.inc (see bug 964946). Don't expose the URLs to L10N. -->
   <string name="bookmarkdefaults_title_aboutfirefox">@bookmarks_aboutBrowser@</string>
-  <string name="bookmarkdefaults_url_aboutfirefox">about:firefox</string>
+  <string name="bookmarkdefaults_url_aboutfirefox">about:</string>
 
   <!-- Icon is automatically generated from R.drawable.bookmarkdefaults_favicon_adblockplus -->
   <string name="bookmarkdefaults_title_adblockplus">@bookmarks_adblockplus@</string>
   <string name="bookmarkdefaults_url_adblockplus">https://adblockplus.org</string>
 
   <!-- Icon is automatically generated from R.drawable.bookmarkdefaults_favicon_acceptableads -->
   <string name="bookmarkdefaults_title_acceptableads">@bookmarks_acceptableads@</string>
   <string name="bookmarkdefaults_url_acceptableads">https://acceptableads.org</string>
 
   <!-- Icon is automatically generated from R.drawable.bookmarkdefaults_favicon_adblockbrowserbetacommunity -->
@@ skipping 93 matching lines @@
   <string name="abb_pref_category_further_blocking_summary">Disable tracking and malware sites or add custom filter lists</string>
 
   <string name="abb_pref_category_exceptions">Exceptions</string>
 
   <string name="abb_pref_category_acceptable_ads">Acceptable Ads</string>
   <string name="abb_pref_category_acceptable_ads_summary">Configure Acceptable Ads</string>
 
   <string name="abb_pref_category_whitelisted_sites">Whitelisted Websites</string>
   <string name="abb_pref_category_whitelisted_sites_summary">Add exceptions for websites</string>
 
+  <string name="abb_pref_about_acceptable_ads">About Acceptable Ads</string>
   <string name="abb_pref_acceptable_ads">Allow some non-intrusive advertising</string>
 
   <string name="abb_pref_header_adblocking">&abb_pref_header_adblocking;</string>
 
   <!-- Adblock Browser onboarding (first run page [FRP]) -->
   <string name="abb_frp_button_1">Two more steps</string>
   <string name="abb_frp_button_2">Only one more step</string>
   <string name="abb_frp_button_3">Finish</string>
 
   <string name="abb_frp_headline_1">Browse in peace</string>
   <string name="abb_frp_headline_2">You\'re in control</string>
   <string name="abb_frp_headline_3">Be the first</string>
 
   <string name="abb_frp_step_1_text">Adblocking is automatically integrated - no more annoying ads while you surf!</string>
   <string name="abb_frp_step_2_text">Annoying ads are always blocked, while nonintrusive ads are displayed by default. You can change this setting at any time.</string>
   <string name="abb_frp_step_2_text_where">Tap the Menu » Settings » Adblocking » Acceptable Ads</string>
   <string name="abb_frp_step_2_text_learn">Learn more about Acceptable Ads by clicking on the thumbnail when you first launch the browser.</string>
   <string name="abb_frp_step_3_text">Bugs can be reported in our Google+ community. The link to the Adblock Browser Google+ community will be added to your favorites.</string>
 
   <string name="abb_adblocking_active_languages">Active for websites in...</string>
   <string name="abb_adblocking_available_languages">Other Languages</string>
   <string name="abb_adblocking_none_selected">None</string>
   <string name="abb_adblocking_select_below">Select one below</string>
   <string name="abb_adblocking_none_available">None</string>
   <string name="abb_adblocking_all_selected">No more available subscriptions</string>
   <string name="abb_adblocking_waiting">Fetching available subscriptions...</string>
 
   <!-- This is currently just a filler-text -->
-  <string name="abb_pref_category_acceptable_ads_extra_summary">We\'d like to encourage websites to use starightforward, unobtrusive
+  <string name="abb_pref_category_acceptable_ads_extra_summary">We\'d like to encourage websites to use straightforward, unobtrusive
 advertising. That\'s why we established strict guidelines to identify acceptable ads, which are shown under default settings. If you
- still wanto to block every ad you can disable this in a few seconds.</string>
+ still want to block every ad you can disable this in a few seconds.</string>
 
 </resources>