diff --git a/app/src/main/res/values-pl/strings.xml b/app/src/main/res/values-pl/strings.xml
index 9bdf664323..dcca212d7b 100644
--- a/app/src/main/res/values-pl/strings.xml
+++ b/app/src/main/res/values-pl/strings.xml
@@ -125,6 +125,19 @@
          opens a dialog box that contains settings that an application or Web developer might want to change. -->
     <string name="settings_developer_options">Opcje dla programistów</string>
 
+    <!-- This string is used in the 'Settings' window when user is not signed into a Firefox Account -->
+    <string name="settings_fxa_account_sign_in">Zaloguj się na konto</string>
+
+    <!-- This string is used in the 'Settings' window when user is signed into a Firefox Account -->
+    <string name="settings_fxa_account_manage">Zarządzaj kontem</string>
+
+    <!-- This string is used in the 'Account' window when user is signed into a Firefox Account -->
+    <string name="settings_fxa_account_sign_out">Wyloguj się</string>
+
+    <!-- This string is used in the 'Settings' window when user is signed into a Firefox Account, but needs to re-enter their password.
+         Most common reason for this state is that the account password was changed on another device. -->
+    <string name="settings_fxa_account_reconnect">Połącz ponownie</string>
+
     <!-- This string is used to label a button in the 'Settings' dialog window that, when pressed,
          opens a dialog box that contains language-related settings. -->
     <string name="settings_language">Język</string>
@@ -275,6 +288,16 @@
          a the survey web site in opened in the currently focused window -->
     <string name="settings_send_your_feedback">Wyślij swoją opinię</string>
 
+    <!-- This string is used in the 'Settings' window when user is signed-out of Firefox Accounts -->
+    <string name="settings_accounts_sign_in">Zaloguj się</string>
+
+    <!-- This string is used in the 'Settings' window when user is signed into a Firefox Account -->
+    <string name="settings_accounts_sign_out">Wyloguj się</string>
+
+    <!-- This string is used in the 'Settings' window when user is signed into a Firefox Account, but needs to re-enter their password.
+         Most common reason for this state is that the account password was changed on another device. -->
+    <string name="settings_accounts_reconnect">Połącz ponownie</string>
+
     <!-- This string is the title of a dialog box shown to the user when a settings
          change requires the application to restart. -->
     <string name="restart_dialog_restart">Wymagane jest ponowne uruchomienie</string>
@@ -473,6 +496,36 @@
          for the home page. -->
     <string name="developer_options_homepage">Strona startowa</string>
 
+    <!-- This string is used to in the FxA account manage panel as a description of the Sign In/Out button. -->
+    <string name="fxa_account_options_account">Konto</string>
+
+    <!-- This string is used to in the FxA account manage panel as a header for the sync options. -->
+    <string name="fxa_account_options_sync_title">Ustawienia synchronizacji</string>
+
+    <!-- This string is used to in the FxA account manage panel as the description of the Sync button when is not syncing.
+         The sync button will start syncing when pressed-->
+    <string name="fxa_account_options_sync_now">Synchronizuj teraz</string>
+
+    <!-- This string is used to in the FxA account manage panel as the description of the Sync button while syncon.
+         The sync button will start syncing when pressed-->
+    <string name="fxa_account_options_syncing">Synchronizowanie…</string>
+
+    <!-- This string is used in the FxA account manager panel as a header for the sync options for syncing
+         history, bookmarks, passwords, etc. -->
+    <string name="fxa_account_options_sync_description">Wybierz, co synchronizować pomiędzy urządzeniami za pomocą Firefoksa</string>
+
+    <!-- This string is used to in the FxA account manage panel as a description for the Bookmarks sync switch. -->
+    <string name="fxa_account_options_bookmarks_sync">Zakładki</string>
+
+    <!-- This string is used to in the FxA account manage panel as a description for the History sync switch. -->
+    <string name="fxa_account_options_history_sync">Historia</string>
+
+    <!-- This string is used to in the FxA account manage panel as a description for the Sign In/Out button. -->
+    <string name="fxa_account_options_reset">Przywróć domyślne</string>
+
+    <!-- This string is used to in the Library panels in the sync button when the user is not signed in. -->
+    <string name="fxa_account_sing_to_sync">Zaloguj się na konto, aby synchronizować</string>
+
     <!-- This string labels an Allow/Don't Allow switch in the Privacy and Security settings dialog
      and is used to enable or disable playback of DRM controlled content. -->
     <string name="security_options_drm_content">Odtwarzanie treści chronionych przez DRM (&lt;a href=&quot;http://somesite.com/&quot;&gt;Więcej informacji&lt;/a&gt;)</string>
@@ -907,12 +960,6 @@
          and hovers over the 'Private Browsing' icon in the browser's tray menu. -->
     <string name="private_browsing_exit_tooltip">Wyłącz tryb prywatny</string>
 
-    <!-- This string is shown in the context menu after a longpress on a link. When clicked it opens the target url in a new window. -->
-    <string name="context_menu_open_new_window">Otwórz w nowym oknie.</string>
-
-    <!-- This string is shown in the context menu after a longpress on a link. When clicked it opens the target url in a new tab. -->
-    <string name="context_menu_open_new_tab">Otwórz w nowej karcie.</string>
-
     <!-- This string is shown in the context menu after a longpress on a link. When clicked it copies the target to the clipboard -->
     <string name="context_menu_copy_link">Kopiuj odnośnik</string>
 
@@ -1078,10 +1125,6 @@
          If the button is clicked the pop-up will be shown -->
     <string name="popup_block_button_show">Otwórz</string>
 
-    <!-- This string is displayed on the right button of the pop-up blocking dialog.
-         If the button is clicked the pop-up will be blocked -->
-    <string name="popup_block_button_do_not_show">Nie otwieraj</string>
-
     <!-- This string is displayed in a button on the header of the tabs dialog. When clicked,
         it allows to select tabs from the tab -->
     <string name="tabs_select">Zaznacz</string>
@@ -1135,4 +1178,5 @@ the Select` button. When clicked it closes all the previously selected tabs -->
     <!-- This string is displayed in a tooltip that appears in the tray bar on top of the
      tabs tray button then a tab has been added on the background. -->
     <string name="tab_added_notification">Dodano nową kartę</string>
-</resources>
+
+    </resources>