diff --git a/lang/qet_pl.qm b/lang/qet_pl.qm
index 0baba23c5..95bd74d04 100644
Binary files a/lang/qet_pl.qm and b/lang/qet_pl.qm differ
diff --git a/lang/qet_pl.ts b/lang/qet_pl.ts
index c9abc6860..c8854aed7 100644
--- a/lang/qet_pl.ts
+++ b/lang/qet_pl.ts
@@ -7311,7 +7311,7 @@ Co chcesz zrobić?</translation>
     <message>
         <location filename="../sources/qet.cpp" line="640"/>
         <source>Envoie en arrière plan la ou les sélections</source>
-        <translation type="unfinished"></translation>
+        <translation>Usuń elementy, które nie są zaznaczone</translation>
     </message>
     <message>
         <location filename="../sources/qet.cpp" line="642"/>
@@ -8177,17 +8177,17 @@ Czy chcesz ją zastąpić?</translation>
     <message>
         <location filename="../sources/qetdiagrameditor.cpp" line="2233"/>
         <source>To install the plugin qet_tb_generator&lt;br&gt;Visit :&lt;br&gt;&lt;a href=&apos;https://pypi.python.org/pypi/qet-tb-generator&apos;&gt;qet-tb-generator&lt;/a&gt;&lt;br&gt;Requires python 3.5 or above.&lt;br&gt;&lt;B&gt;&lt;U&gt; First install on Windows&lt;/B&gt;&lt;/U&gt;&lt;br&gt;1. Install, if required, python 3.5 or above&lt;br&gt; Visit :&lt;br&gt;&lt;a href=&apos;https://www.python.org/downloads/&apos;&gt;python.org&lt;/a&gt;&lt;br&gt;2. pip install qet_tb_generator&lt;br&gt;&lt;B&gt;&lt;U&gt; Update on Windows&lt;/B&gt;&lt;/U&gt;&lt;br&gt;python -m pip install --upgrade qet_tb_generator&lt;br&gt;&gt;&gt;user could launch in a terminal this script in this directory&lt;br&gt; C:\users\XXXX\AppData\Local\Programs\Python\Python36-32\Scripts   &lt;br&gt;</source>
-        <translation type="unfinished"></translation>
+        <translation>Aby zainstalować wtyczkę qet_tb_generator&lt;br&gt;Odwiedź:&lt;br&gt;&lt;a href=&apos;https://pypi.python.org/pypi/qet-tb-generator&apos;&gt;qet-tb-generator&lt;/a&gt;&lt;br&gt;Wymagany python 3.5 or above.&lt;br&gt;&lt;B&gt;&lt;U&gt; Pierwsza instalacja w Windows&lt;/B&gt;&lt;/U&gt;&lt;br&gt;1. Instalacja, wymagany, python 3.5 lub nowszy&lt;br&gt; Odwiedź :&lt;br&gt;&lt;a href=&apos;https://www.python.org/downloads/&apos;&gt;python.org&lt;/a&gt;&lt;br&gt;2. pip install qet_tb_generator&lt;br&gt;&lt;B&gt;&lt;U&gt; Aktualizacja w  Windows&lt;/B&gt;&lt;/U&gt;&lt;br&gt;python -m pip install --upgrade qet_tb_generator&lt;br&gt;&gt;&gt;user could launch in a terminal this script in this directory&lt;br&gt; C:\users\XXXX\AppData\Local\Programs\Python\Python36-32\Scripts   &lt;br&gt;</translation>
     </message>
     <message>
         <location filename="../sources/qetdiagrameditor.cpp" line="2269"/>
         <source>To install the plugin qet_tb_generator&lt;br&gt;Visit  :&lt;br&gt;&lt;a href=&apos;https://pypi.python.org/pypi/qet-tb-generator&apos;&gt;qet-tb-generator&lt;/a&gt;&lt;br&gt;&lt;B&gt;&lt;U&gt; First install on macOSX&lt;/B&gt;&lt;/U&gt;&lt;br&gt;1. Install, if required, python 3.5 &lt;br&gt; Visit :&lt;br&gt;&lt;a href=&apos;https://qelectrotech.org/forum/viewtopic.php?pid=5674#p5674&apos;&gt;howto&lt;/a&gt;&lt;br&gt;2. pip3 install qet_tb_generator&lt;br&gt;&lt;B&gt;&lt;U&gt; Update on macOSX&lt;/B&gt;&lt;/U&gt;&lt;br&gt; pip3 install --upgrade qet_tb_generator&lt;br&gt;</source>
-        <translation type="unfinished"></translation>
+        <translation>Aby zainstalować plugin qet_tb_generator&lt;br&gt;Odwiedź:&lt;br&gt;&lt;a href=&apos;https://pypi.python.org/pypi/qet-tb-generator&apos;&gt;qet-tb-generator&lt;/a&gt;&lt;br&gt;&lt;B&gt;&lt;U&gt; Pierwsza instalacja na macOSX&lt;/B&gt;&lt;/U&gt;&lt;br&gt;1. Instalacja, wymagany, python 3.5 &lt;br&gt; Odwiedź:&lt;br&gt;&lt;a href=&apos;https://qelectrotech.org/forum/viewtopic.php?pid=5674#p5674&apos;&gt;howto&lt;/a&gt;&lt;br&gt;2. pip3 install qet_tb_generator&lt;br&gt;&lt;B&gt;&lt;U&gt; Update on macOSX&lt;/B&gt;&lt;/U&gt;&lt;br&gt; pip3 install --upgrade qet_tb_generator&lt;br&gt;</translation>
     </message>
     <message>
         <location filename="../sources/qetdiagrameditor.cpp" line="2300"/>
         <source>To install the plugin qet_tb_generator&lt;br&gt;Visit : &lt;br&gt;&lt;a href=&apos;https://pypi.python.org/pypi/qet-tb-generator&apos;&gt;qet-tb-generator&lt;/a&gt;&lt;br&gt;&lt;br&gt;Requires python 3.5 or above.&lt;br&gt;&lt;br&gt;&lt;B&gt;&lt;U&gt; First install on Linux&lt;/B&gt;&lt;/U&gt;&lt;br&gt;1. check you have pip3 installed: pip3 --version&lt;br&gt;If not install with: sudo apt-get install python3-pip&lt;br&gt;2. Install the program: sudo pip3 install qet_tb_generator&lt;br&gt;3. Run the program: qet_tb_generator&lt;br&gt;&lt;br&gt;&lt;B&gt;&lt;U&gt; Update on Linux&lt;/B&gt;&lt;/U&gt;&lt;br&gt;sudo pip3 install --upgrade qet_tb_generator&lt;br&gt;</source>
-        <translation type="unfinished"></translation>
+        <translation>Aby zainstalować wtyczkę qet_tb_generator&lt;br&gt;Odwiedź: &lt;br&gt;&lt;a href=&apos;https://pypi.python.org/pypi/qet-tb-generator&apos;&gt;qet-tb-generator&lt;/a&gt;&lt;br&gt;&lt;br&gt;Wymagany python 3.5 lub nowszy.&lt;br&gt;&lt;br&gt;&lt;B&gt;&lt;U&gt; Pierwsza instalacja w Linux&lt;/B&gt;&lt;/U&gt;&lt;br&gt;1. sprawdź co masz pip3 installed: pip3 --version&lt;br&gt;If not install with: sudo apt-get install python3-pip&lt;br&gt;2. Zainstaluj program: sudo pip3 install qet_tb_generator&lt;br&gt;3. RUruchom program: qet_tb_generator&lt;br&gt;&lt;br&gt;&lt;B&gt;&lt;U&gt; Aktualizacja w Linux&lt;/B&gt;&lt;/U&gt;&lt;br&gt;sudo pip3 install --upgrade qet_tb_generator&lt;br&gt;</translation>
     </message>
 </context>
 <context>