diff --git a/locale/bg.po b/locale/bg.po
index 36bab42cd9..2642e281bb 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 54be84598b..2ef945bd93 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 c315cf80a7..1b8ef79396 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 39c49c9501..4c5ca15c2c 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 c1d2041190..f8c0103dc7 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 9e1b1ba3e2..38b4fafb30 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 1ab22af68a..aced1d5ad9 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 94cd68a0ef..cb8c8b8f63 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 a66cc7b387..57a1c84aa4 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 c315cf80a7..1b8ef79396 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 bc7836f0db..25f6b91da4 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 c315cf80a7..1b8ef79396 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 4275270551..3d793de4d9 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 c315cf80a7..6cb792c984 100644
--- a/locale/pl.po
+++ b/locale/pl.po
@@ -1,30 +1,30 @@
-# 
+#
 msgid ""
 msgstr "Content-Type: text/plain; charset=utf-8\n"
 
 msgctxt "field:project.work,cost:"
 msgid "Cost"
-msgstr ""
+msgstr "Koszt"
 
 msgctxt "field:project.work,currency_digits:"
 msgid "Currency Digits"
-msgstr ""
+msgstr "Cyfry waluty"
 
 msgctxt "field:project.work,list_price:"
 msgid "List Price"
-msgstr ""
+msgstr "Cena sprzedaży"
 
 msgctxt "field:project.work,product:"
 msgid "Product"
-msgstr ""
+msgstr "Produkt"
 
 msgctxt "field:project.work,purchase_lines:"
 msgid "Purchase Lines"
-msgstr ""
+msgstr "Wiersze zakupu"
 
 msgctxt "field:project.work,revenue:"
 msgid "Revenue"
-msgstr ""
+msgstr "Przychód"
 
 msgctxt "field:purchase.line,work:"
 msgid "Work Effort"
@@ -32,8 +32,8 @@ msgstr ""
 
 msgctxt "view:project.work:"
 msgid "Purchases"
-msgstr ""
+msgstr "Zakupy"
 
 msgctxt "view:purchase.line:"
 msgid "Project"
-msgstr ""
+msgstr "Projekt"
diff --git a/locale/pt_BR.po b/locale/pt_BR.po
index f11530abc3..43b77be1e4 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 3cbe4edb9b..e7ef3756ae 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 c77dedf88f..2f8e1a9adb 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 c315cf80a7..1b8ef79396 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"