diff --git a/locale/bg.po b/locale/bg.po
index 9f695638a3..22c542a428 100644
--- a/locale/bg.po
+++ b/locale/bg.po
@@ -1,4 +1,4 @@
-# 
+#
 msgid ""
 msgstr "Content-Type: text/plain; charset=utf-8\n"
 
diff --git a/locale/ca.po b/locale/ca.po
index cd5543400c..aecc420366 100644
--- a/locale/ca.po
+++ b/locale/ca.po
@@ -1,4 +1,4 @@
-# 
+#
 msgid ""
 msgstr "Content-Type: text/plain; charset=utf-8\n"
 
diff --git a/locale/cs.po b/locale/cs.po
index 9f695638a3..22c542a428 100644
--- a/locale/cs.po
+++ b/locale/cs.po
@@ -1,4 +1,4 @@
-# 
+#
 msgid ""
 msgstr "Content-Type: text/plain; charset=utf-8\n"
 
diff --git a/locale/de.po b/locale/de.po
index 710464ee99..02642dc060 100644
--- a/locale/de.po
+++ b/locale/de.po
@@ -1,4 +1,4 @@
-# 
+#
 msgid ""
 msgstr "Content-Type: text/plain; charset=utf-8\n"
 
diff --git a/locale/es.po b/locale/es.po
index 02a68e981e..9e284ed0ad 100644
--- a/locale/es.po
+++ b/locale/es.po
@@ -1,4 +1,4 @@
-# 
+#
 msgid ""
 msgstr "Content-Type: text/plain; charset=utf-8\n"
 
diff --git a/locale/es_419.po b/locale/es_419.po
index 9f695638a3..22c542a428 100644
--- a/locale/es_419.po
+++ b/locale/es_419.po
@@ -1,4 +1,4 @@
-# 
+#
 msgid ""
 msgstr "Content-Type: text/plain; charset=utf-8\n"
 
diff --git a/locale/fr.po b/locale/fr.po
index 757a6bbca6..bcdfcfd2ea 100644
--- a/locale/fr.po
+++ b/locale/fr.po
@@ -1,4 +1,4 @@
-# 
+#
 msgid ""
 msgstr "Content-Type: text/plain; charset=utf-8\n"
 
diff --git a/locale/hu_HU.po b/locale/hu_HU.po
index 9f695638a3..22c542a428 100644
--- a/locale/hu_HU.po
+++ b/locale/hu_HU.po
@@ -1,4 +1,4 @@
-# 
+#
 msgid ""
 msgstr "Content-Type: text/plain; charset=utf-8\n"
 
diff --git a/locale/it_IT.po b/locale/it_IT.po
index 9f695638a3..22c542a428 100644
--- a/locale/it_IT.po
+++ b/locale/it_IT.po
@@ -1,4 +1,4 @@
-# 
+#
 msgid ""
 msgstr "Content-Type: text/plain; charset=utf-8\n"
 
diff --git a/locale/ja_JP.po b/locale/ja_JP.po
index 9f695638a3..22c542a428 100644
--- a/locale/ja_JP.po
+++ b/locale/ja_JP.po
@@ -1,4 +1,4 @@
-# 
+#
 msgid ""
 msgstr "Content-Type: text/plain; charset=utf-8\n"
 
diff --git a/locale/lo.po b/locale/lo.po
index 536590e05b..4ff8135919 100644
--- a/locale/lo.po
+++ b/locale/lo.po
@@ -1,4 +1,4 @@
-# 
+#
 msgid ""
 msgstr "Content-Type: text/plain; charset=utf-8\n"
 
diff --git a/locale/lt.po b/locale/lt.po
index 9f695638a3..22c542a428 100644
--- a/locale/lt.po
+++ b/locale/lt.po
@@ -1,4 +1,4 @@
-# 
+#
 msgid ""
 msgstr "Content-Type: text/plain; charset=utf-8\n"
 
diff --git a/locale/nl.po b/locale/nl.po
index 9f695638a3..22c542a428 100644
--- a/locale/nl.po
+++ b/locale/nl.po
@@ -1,4 +1,4 @@
-# 
+#
 msgid ""
 msgstr "Content-Type: text/plain; charset=utf-8\n"
 
diff --git a/locale/pl.po b/locale/pl.po
index 9f695638a3..b9c2ce3f21 100644
--- a/locale/pl.po
+++ b/locale/pl.po
@@ -1,26 +1,26 @@
-# 
+#
 msgid ""
 msgstr "Content-Type: text/plain; charset=utf-8\n"
 
 msgctxt "field:product.price_list.line,end_date:"
 msgid "End Date"
-msgstr ""
+msgstr "Data ukończenia"
 
 msgctxt "field:product.price_list.line,start_date:"
 msgid "Start Date"
-msgstr ""
+msgstr "Data rozpoczęcia"
 
 msgctxt "field:product.price_list.line.context,date:"
 msgid "Date"
-msgstr ""
+msgstr "Data"
 
 msgctxt "field:product.price_list.line.context,id:"
 msgid "ID"
-msgstr ""
+msgstr "ID"
 
 msgctxt "model:ir.action,name:act_price_list_line_form"
 msgid "Lines"
-msgstr ""
+msgstr "Wiersze"
 
 msgctxt "model:product.price_list.line.context,name:"
 msgid "Price List Line Context"
diff --git a/locale/pt_BR.po b/locale/pt_BR.po
index c58433ce91..a45a6bf7d1 100644
--- a/locale/pt_BR.po
+++ b/locale/pt_BR.po
@@ -1,4 +1,4 @@
-# 
+#
 msgid ""
 msgstr "Content-Type: text/plain; charset=utf-8\n"
 
diff --git a/locale/ru.po b/locale/ru.po
index 9f695638a3..22c542a428 100644
--- a/locale/ru.po
+++ b/locale/ru.po
@@ -1,4 +1,4 @@
-# 
+#
 msgid ""
 msgstr "Content-Type: text/plain; charset=utf-8\n"
 
diff --git a/locale/sl.po b/locale/sl.po
index 9c1f0b7f24..5767f6f4c4 100644
--- a/locale/sl.po
+++ b/locale/sl.po
@@ -1,4 +1,4 @@
-# 
+#
 msgid ""
 msgstr "Content-Type: text/plain; charset=utf-8\n"
 
diff --git a/locale/zh_CN.po b/locale/zh_CN.po
index 9f695638a3..22c542a428 100644
--- a/locale/zh_CN.po
+++ b/locale/zh_CN.po
@@ -1,4 +1,4 @@
-# 
+#
 msgid ""
 msgstr "Content-Type: text/plain; charset=utf-8\n"