diff --git a/po/pl.po b/po/pl.po
index 4ce86c87b5fcaa0180d22dbe45a299fd4cc5df1d..b9a8acf358146682dc3bf993df63ccccb8f1a86f 100644
--- a/po/pl.po
+++ b/po/pl.po
@@ -13,10 +13,10 @@ msgid ""
 msgstr ""
 "Project-Id-Version: Xfce4-power-manager\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2015-03-22 18:30+0100\n"
-"PO-Revision-Date: 2015-03-30 15:10+0000\n"
+"POT-Creation-Date: 2015-06-15 00:30+0200\n"
+"PO-Revision-Date: 2015-09-17 06:41+0000\n"
 "Last-Translator: Piotr Strębski <strebski@o2.pl>\n"
-"Language-Team: Polish (http://www.transifex.com/projects/p/xfce4-power-manager/language/pl/)\n"
+"Language-Team: Polish (http://www.transifex.com/xfce/xfce4-power-manager/language/pl/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -52,7 +52,7 @@ msgstr "Konfiguruje ustawienia zasilania"
 
 #. help dialog
 #: ../data/interfaces/xfpm-settings.ui.h:7
-#: ../panel-plugins/power-manager-plugin/power-manager-button.c:1006
+#: ../panel-plugins/power-manager-plugin/power-manager-button.c:1102
 msgid "_Help"
 msgstr "Pomo_c"
 
@@ -84,7 +84,7 @@ msgstr "<b>Przyciski</b>"
 msgid "On battery"
 msgstr "Zasilanie akumulatorowe"
 
-#: ../data/interfaces/xfpm-settings.ui.h:15 ../common/xfpm-power-common.c:342
+#: ../data/interfaces/xfpm-settings.ui.h:15 ../common/xfpm-power-common.c:353
 msgid "Plugged in"
 msgstr "Zasilanie sieciowe"
 
@@ -240,7 +240,7 @@ msgstr "%"
 #: ../settings/xfpm-settings.c:986 ../settings/xfpm-settings.c:1071
 #: ../settings/xfpm-settings.c:1163 ../settings/xfpm-settings.c:1270
 #: ../settings/xfpm-settings.c:1327 ../settings/xfpm-settings.c:1379
-#: ../src/xfpm-power.c:705
+#: ../src/xfpm-power.c:715
 msgid "Suspend"
 msgstr "Wstrzymanie"
 
@@ -256,7 +256,7 @@ msgstr "Wstrzymywanie działania komputera nie jest obsługiwane"
 #: ../settings/xfpm-settings.c:992 ../settings/xfpm-settings.c:1085
 #: ../settings/xfpm-settings.c:1169 ../settings/xfpm-settings.c:1276
 #: ../settings/xfpm-settings.c:1333 ../settings/xfpm-settings.c:1385
-#: ../src/xfpm-power.c:694
+#: ../src/xfpm-power.c:704
 msgid "Hibernate"
 msgstr "Zahibernowanie"
 
@@ -284,7 +284,7 @@ msgid "Do nothing"
 msgstr "Brak"
 
 #: ../settings/xfpm-settings.c:936 ../settings/xfpm-settings.c:1282
-#: ../src/xfpm-power.c:716
+#: ../src/xfpm-power.c:726
 msgid "Shutdown"
 msgstr "Wyłączenie"
 
@@ -435,8 +435,8 @@ msgid "Built with GTK+ %d.%d.%d, linked with GTK+ %d.%d.%d."
 msgstr "Skompilowano przy użyciu GTK+ %d.%d.%d, podłączono przy użyciu GTK+ %d.%d.%d."
 
 #: ../settings/xfce4-power-manager-settings.desktop.in.h:1
-#: ../src/xfpm-power.c:355 ../src/xfpm-power.c:637 ../src/xfpm-power.c:680
-#: ../src/xfpm-power.c:844 ../src/xfpm-power.c:867 ../src/xfpm-battery.c:193
+#: ../src/xfpm-power.c:365 ../src/xfpm-power.c:647 ../src/xfpm-power.c:690
+#: ../src/xfpm-power.c:854 ../src/xfpm-power.c:877 ../src/xfpm-battery.c:193
 #: ../src/xfce4-power-manager.desktop.in.h:1
 msgid "Power Manager"
 msgstr "Menedżer zasilania"
@@ -445,84 +445,84 @@ msgstr "Menedżer zasilania"
 msgid "Settings for the Xfce Power Manager"
 msgstr "Konfiguruje ustawienia zasilania"
 
-#: ../common/xfpm-common.c:131
+#: ../common/xfpm-common.c:138
 msgid "translator-credits"
 msgstr "Piotr Sokół <psokol@jabster.pl>, 2011, 2012, 2014."
 
-#: ../common/xfpm-power-common.c:44 ../common/xfpm-power-common.c:67
+#: ../common/xfpm-power-common.c:45 ../common/xfpm-power-common.c:68
 msgid "Battery"
 msgstr "Akumulator"
 
-#: ../common/xfpm-power-common.c:46
+#: ../common/xfpm-power-common.c:47
 msgid "Uninterruptible Power Supply"
 msgstr "Zasilacz awaryjny"
 
-#: ../common/xfpm-power-common.c:48
+#: ../common/xfpm-power-common.c:49
 msgid "Line power"
 msgstr "Zasilacz sieciowy"
 
-#: ../common/xfpm-power-common.c:50
+#: ../common/xfpm-power-common.c:51
 msgid "Mouse"
 msgstr "Mysz"
 
-#: ../common/xfpm-power-common.c:52
+#: ../common/xfpm-power-common.c:53
 msgid "Keyboard"
 msgstr "Klawiatura"
 
-#: ../common/xfpm-power-common.c:54
+#: ../common/xfpm-power-common.c:55
 msgid "Monitor"
 msgstr "Ekran"
 
-#: ../common/xfpm-power-common.c:56
+#: ../common/xfpm-power-common.c:57
 msgid "PDA"
 msgstr "Palmtop"
 
-#: ../common/xfpm-power-common.c:58
+#: ../common/xfpm-power-common.c:59
 msgid "Phone"
 msgstr "Telefon"
 
-#: ../common/xfpm-power-common.c:60
+#: ../common/xfpm-power-common.c:61
 msgid "Tablet"
 msgstr "Tablet"
 
-#: ../common/xfpm-power-common.c:62 ../common/xfpm-power-common.c:238
+#: ../common/xfpm-power-common.c:63 ../common/xfpm-power-common.c:249
 msgid "Computer"
 msgstr "Komputer"
 
-#: ../common/xfpm-power-common.c:64 ../common/xfpm-power-common.c:80
-#: ../common/xfpm-power-common.c:95
+#: ../common/xfpm-power-common.c:65 ../common/xfpm-power-common.c:81
+#: ../common/xfpm-power-common.c:96
 msgid "Unknown"
 msgstr "Nieznana"
 
-#: ../common/xfpm-power-common.c:82
+#: ../common/xfpm-power-common.c:83
 msgid "Lithium ion"
 msgstr "Litowo-jonowy"
 
-#: ../common/xfpm-power-common.c:84
+#: ../common/xfpm-power-common.c:85
 msgid "Lithium polymer"
 msgstr "Litowo-polimerowy"
 
-#: ../common/xfpm-power-common.c:86
+#: ../common/xfpm-power-common.c:87
 msgid "Lithium iron phosphate"
 msgstr "Litowo-żelazowo-fosforanowy"
 
-#: ../common/xfpm-power-common.c:88
+#: ../common/xfpm-power-common.c:89
 msgid "Lead acid"
 msgstr "Kwasowo-ołowiowy"
 
-#: ../common/xfpm-power-common.c:90
+#: ../common/xfpm-power-common.c:91
 msgid "Nickel cadmium"
 msgstr "Niklowo-kadmowy"
 
-#: ../common/xfpm-power-common.c:92
+#: ../common/xfpm-power-common.c:93
 msgid "Nickel metal hybride"
 msgstr "Niklowo-metalowo-wodorkowy"
 
-#: ../common/xfpm-power-common.c:113
+#: ../common/xfpm-power-common.c:114
 msgid "Unknown time"
 msgstr "Nieznany czas"
 
-#: ../common/xfpm-power-common.c:119
+#: ../common/xfpm-power-common.c:120
 #, c-format
 msgid "%i minute"
 msgid_plural "%i minutes"
@@ -530,7 +530,7 @@ msgstr[0] "%i minuta"
 msgstr[1] "%i minuty"
 msgstr[2] "%i minut"
 
-#: ../common/xfpm-power-common.c:130
+#: ../common/xfpm-power-common.c:131
 #, c-format
 msgid "%i hour"
 msgid_plural "%i hours"
@@ -540,82 +540,82 @@ msgstr[2] "%i godzin"
 
 #. TRANSLATOR: "%i %s %i %s" are "%i hours %i minutes"
 #. * Swap order with "%2$s %2$i %1$s %1$i if needed
-#: ../common/xfpm-power-common.c:136
+#: ../common/xfpm-power-common.c:137
 #, c-format
 msgid "%i %s %i %s"
 msgstr "%i %s %i %s"
 
-#: ../common/xfpm-power-common.c:137
+#: ../common/xfpm-power-common.c:138
 msgid "hour"
 msgid_plural "hours"
 msgstr[0] "godzina"
 msgstr[1] "godziny"
 msgstr[2] "godzin"
 
-#: ../common/xfpm-power-common.c:138
+#: ../common/xfpm-power-common.c:139
 msgid "minute"
 msgid_plural "minutes"
 msgstr[0] "minuta"
 msgstr[1] "minuty"
 msgstr[2] "minut"
 
-#: ../common/xfpm-power-common.c:269
+#: ../common/xfpm-power-common.c:280
 #, c-format
 msgid ""
 "<b>%s %s</b>\n"
 "Fully charged (%0.0f%%, %s runtime)"
 msgstr "<b>%s %s</b>\nCałkowicie naładowany (%0.0f%%, pozostały czas działania %s)"
 
-#: ../common/xfpm-power-common.c:277
+#: ../common/xfpm-power-common.c:288
 #, c-format
 msgid ""
 "<b>%s %s</b>\n"
 "Fully charged (%0.0f%%)"
 msgstr "<b>%s %s</b>\nCałkowicie naładowany (%0.0f%%)"
 
-#: ../common/xfpm-power-common.c:287
+#: ../common/xfpm-power-common.c:298
 #, c-format
 msgid ""
 "<b>%s %s</b>\n"
 "Charging (%0.0f%%, %s)"
 msgstr "<b>%s %s</b>\nŁadowanie (%0.0f%%, %s)"
 
-#: ../common/xfpm-power-common.c:295
+#: ../common/xfpm-power-common.c:306
 #, c-format
 msgid ""
 "<b>%s %s</b>\n"
 "Charging (%0.0f%%)"
 msgstr "<b>%s %s</b>\nŁadowanie (%0.0f%%)"
 
-#: ../common/xfpm-power-common.c:305
+#: ../common/xfpm-power-common.c:316
 #, c-format
 msgid ""
 "<b>%s %s</b>\n"
 "Discharging (%0.0f%%, %s)"
 msgstr "<b>%s %s</b>\nRozładowywanie (%0.0f%%, %s)"
 
-#: ../common/xfpm-power-common.c:313
+#: ../common/xfpm-power-common.c:324
 #, c-format
 msgid ""
 "<b>%s %s</b>\n"
 "Discharging (%0.0f%%)"
 msgstr "<b>%s %s</b>\nRozładowywanie (%0.0f%%)"
 
-#: ../common/xfpm-power-common.c:320
+#: ../common/xfpm-power-common.c:331
 #, c-format
 msgid ""
 "<b>%s %s</b>\n"
 "Waiting to discharge (%0.0f%%)"
 msgstr "<b>%s %s</b>\nOczekiwanie na rozładowanie (%0.0f%%)"
 
-#: ../common/xfpm-power-common.c:326
+#: ../common/xfpm-power-common.c:337
 #, c-format
 msgid ""
 "<b>%s %s</b>\n"
 "Waiting to charge (%0.0f%%)"
 msgstr "<b>%s %s</b>\nOczekiwanie na naładowanie (%0.0f%%)"
 
-#: ../common/xfpm-power-common.c:332
+#: ../common/xfpm-power-common.c:343
 #, c-format
 msgid ""
 "<b>%s %s</b>\n"
@@ -624,81 +624,81 @@ msgstr "<b>%s %s</b>\njest rozładowany"
 
 #. On the 2nd line we want to know if the power cord is plugged
 #. * in or not
-#: ../common/xfpm-power-common.c:341
+#: ../common/xfpm-power-common.c:352
 #, c-format
 msgid ""
 "<b>%s %s</b>\n"
 "%s"
 msgstr "<b>%s %s</b>\n%s"
 
-#: ../common/xfpm-power-common.c:342
+#: ../common/xfpm-power-common.c:353
 msgid "Not plugged in"
 msgstr "Brak podłączonego zasilania"
 
 #. Desktop pc with no battery, just display the vendor and model,
 #. * which will probably just be Computer
-#: ../common/xfpm-power-common.c:348
+#: ../common/xfpm-power-common.c:359
 #, c-format
 msgid "<b>%s %s</b>"
 msgstr "<b>%s %s</b>"
 
 #. unknown device state, just display the percentage
-#: ../common/xfpm-power-common.c:353
+#: ../common/xfpm-power-common.c:364
 #, c-format
 msgid ""
 "<b>%s %s</b>\n"
 "Unknown state"
 msgstr "<b>%s %s</b>\nNieznany stan"
 
-#: ../src/xfpm-power.c:384
+#: ../src/xfpm-power.c:394
 msgid ""
 "An application is currently disabling the automatic sleep. Doing this action now may damage the working state of this application.\n"
 "Are you sure you want to hibernate the system?"
-msgstr ""
+msgstr "Aktualnie uruchomiony program zapobiega automatycznemu wstrzymaniu działania komputera. Kontynuowanie może spowodować jego niewłaściwe działanie.\nCzy chcesz wprowadzić system w stan uśpienia?"
 
-#: ../src/xfpm-power.c:434
+#: ../src/xfpm-power.c:444
 msgid ""
 "None of the screen lock tools ran successfully, the screen will not be locked.\n"
 "Do you still want to continue to suspend the system?"
-msgstr ""
+msgstr "Nie udało się uruchomić żadnego z narzędzi blokowania ekranu. Ekran nie zostanie zablokowany.\nCzy wciąż kontynuować wstrzymanie systemu?"
 
-#: ../src/xfpm-power.c:600
+#: ../src/xfpm-power.c:610
 msgid "Hibernate the system"
 msgstr "Zahibernuj działanie komputera"
 
-#: ../src/xfpm-power.c:611
+#: ../src/xfpm-power.c:621
 msgid "Suspend the system"
 msgstr "Wstrzymaj działanie komputera"
 
-#: ../src/xfpm-power.c:621
+#: ../src/xfpm-power.c:631
 msgid "Shutdown the system"
 msgstr "Wyłącz komputer"
 
-#: ../src/xfpm-power.c:632 ../src/xfpm-power.c:677
+#: ../src/xfpm-power.c:642 ../src/xfpm-power.c:687
 msgid "System is running on low power. Save your work to avoid losing data"
 msgstr "Źródło zasilania jest bliskie rozładowania. Proszę zapisać bieżący stan pracy, w celu uniknięcia utraty danych."
 
-#: ../src/xfpm-power.c:723
+#: ../src/xfpm-power.c:733
 msgid "_Cancel"
 msgstr "_Anuluj"
 
-#: ../src/xfpm-power.c:845
+#: ../src/xfpm-power.c:855
 msgid "System is running on low power"
 msgstr "Źródło zasilania jest bliskie rozładowania"
 
-#: ../src/xfpm-power.c:863
+#: ../src/xfpm-power.c:873
 #, c-format
 msgid ""
 "Your %s charge level is low\n"
 "Estimated time left %s"
 msgstr "%s zostanie wkrótce rozładowany.\nPrzewidywany czas zasilania: %s."
 
-#: ../src/xfpm-power.c:1587 ../src/xfpm-power.c:1634 ../src/xfpm-power.c:1665
-#: ../src/xfpm-power.c:1694
+#: ../src/xfpm-power.c:1724 ../src/xfpm-power.c:1771 ../src/xfpm-power.c:1802
+#: ../src/xfpm-power.c:1831
 msgid "Permission denied"
 msgstr "Brak uprawnień"
 
-#: ../src/xfpm-power.c:1674 ../src/xfpm-power.c:1703
+#: ../src/xfpm-power.c:1811 ../src/xfpm-power.c:1840
 msgid "Suspend not supported"
 msgstr "Wstrzymywanie pracy komputera jest nieobsługiwane"
 
@@ -748,7 +748,7 @@ msgid "Your %s is empty"
 msgstr "%s został rozładowany"
 
 #. generate a human-readable summary for the notification
-#: ../src/xfpm-kbd-backlight.c:120
+#: ../src/xfpm-kbd-backlight.c:123
 #, c-format
 msgid "Keyboard Brightness: %.0f percent"
 msgstr "Jasność klawiatury: %.0f procent"
@@ -901,21 +901,26 @@ msgid "Power management for the Xfce desktop"
 msgstr "Zarządza zasilaniem w środowisku Xfce"
 
 #. Odds are this is a desktop without any batteries attached
-#: ../panel-plugins/power-manager-plugin/power-manager-button.c:221
+#: ../panel-plugins/power-manager-plugin/power-manager-button.c:266
 msgid "Display battery levels for attached devices"
 msgstr "Wyświetlanie poziomu naładowania akumulator dla podłączonych urządzeń"
 
-#: ../panel-plugins/power-manager-plugin/power-manager-button.c:1298
+#. about dialog
+#: ../panel-plugins/power-manager-plugin/power-manager-button.c:1108
+msgid "_About"
+msgstr "_O programie"
+
+#: ../panel-plugins/power-manager-plugin/power-manager-button.c:1443
 msgid "<b>Display brightness</b>"
 msgstr "<b>Jasność ekranu</b>"
 
 #. Presentation mode checkbox
-#: ../panel-plugins/power-manager-plugin/power-manager-button.c:1322
+#: ../panel-plugins/power-manager-plugin/power-manager-button.c:1467
 msgid "Presentation _mode"
 msgstr "_Tryb prezentacji"
 
 #. Power manager settings
-#: ../panel-plugins/power-manager-plugin/power-manager-button.c:1331
+#: ../panel-plugins/power-manager-plugin/power-manager-button.c:1476
 msgid "_Power manager settings..."
 msgstr "Ustawienia _zasilania..."