diff --git a/po/eo.po b/po/eo.po
index 1ccb49d..a35c885 100644
--- a/po/eo.po
+++ b/po/eo.po
@@ -16,13 +16,14 @@ msgstr ""
 "Project-Id-Version: trader 7.13\n"
 "Report-Msgid-Bugs-To: J.Zaitseff@zap.org.au\n"
 "POT-Creation-Date: 2018-03-30 14:46+1100\n"
-"PO-Revision-Date: 2018-04-04 20:01+1000\n"
+"PO-Revision-Date: 2018-04-04 20:04+1000\n"
 "Last-Translator: Felipe Castro <fefcas@gmail.com>\n"
 "Language-Team: Esperanto <translation-team-eo@lists.sourceforge.net>\n"
 "Language: eo\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
+"X-Bugs: Report translation errors to the Language-Team address.\n"
 "Plural-Forms: nplurals=2; plural=(n != 1);\n"
 
 #. TRANSLATORS: The name of the game.  You may choose to translate it into
diff --git a/po/fi.po b/po/fi.po
index 4da8256..775736f 100644
--- a/po/fi.po
+++ b/po/fi.po
@@ -16,13 +16,14 @@ msgstr ""
 "Project-Id-Version: trader 7.13\n"
 "Report-Msgid-Bugs-To: J.Zaitseff@zap.org.au\n"
 "POT-Creation-Date: 2018-03-30 14:46+1100\n"
-"PO-Revision-Date: 2018-03-30 11:43+1100\n"
+"PO-Revision-Date: 2018-04-04 20:04+1000\n"
 "Last-Translator: Jorma Karvonen <karvonen.jorma@gmail.com>\n"
 "Language-Team: Finnish <translation-team-fi@lists.sourceforge.net>\n"
 "Language: fi\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
+"X-Bugs: Report translation errors to the Language-Team address.\n"
 "Plural-Forms: nplurals=2; plural=(n != 1);\n"
 
 #. TRANSLATORS: The name of the game.  You may choose to translate it into
diff --git a/po/hr.po b/po/hr.po
index 0c396b2..fbd2523 100644
--- a/po/hr.po
+++ b/po/hr.po
@@ -15,13 +15,14 @@ msgstr ""
 "Project-Id-Version: trader 7.13\n"
 "Report-Msgid-Bugs-To: J.Zaitseff@zap.org.au\n"
 "POT-Creation-Date: 2018-03-30 14:46+1100\n"
-"PO-Revision-Date: 2018-03-30 11:43+1100\n"
+"PO-Revision-Date: 2018-04-04 20:04+1000\n"
 "Last-Translator: Tomislav Krznar <tomislav.krznar@gmail.com>\n"
 "Language-Team: Croatian <lokalizacija@linux.hr>\n"
 "Language: hr\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
+"X-Bugs: Report translation errors to the Language-Team address.\n"
 "Plural-Forms: nplurals=3; plural=(n%10==1 && n%100!=11 ? 0 : n%10>=2 && n%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2)\n"
 
 #. TRANSLATORS: The name of the game.  You may choose to translate it into
diff --git a/po/ru.po b/po/ru.po
index 1e49036..d2285b4 100644
--- a/po/ru.po
+++ b/po/ru.po
@@ -18,13 +18,14 @@ msgstr ""
 "Project-Id-Version: trader 7.13\n"
 "Report-Msgid-Bugs-To: J.Zaitseff@zap.org.au\n"
 "POT-Creation-Date: 2018-03-30 14:46+1100\n"
-"PO-Revision-Date: 2018-03-30 11:53+1100\n"
+"PO-Revision-Date: 2018-04-04 20:05+1000\n"
 "Last-Translator: Pavel Maryanov <acid@jack.kiev.ua>\n"
 "Language-Team: Russian <gnu@mx.ru>\n"
 "Language: ru\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
+"X-Bugs: Report translation errors to the Language-Team address.\n"
 "Plural-Forms: nplurals=3; plural=(n%10==1 && n%100!=11 ? 0 : n%10>=2 && n%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2);\n"
 
 #. TRANSLATORS: The name of the game.  You may choose to translate it into
diff --git a/po/sr.po b/po/sr.po
index 4465692..e6c7190 100644
--- a/po/sr.po
+++ b/po/sr.po
@@ -16,15 +16,15 @@ msgstr ""
 "Project-Id-Version: trader 7.13\n"
 "Report-Msgid-Bugs-To: J.Zaitseff@zap.org.au\n"
 "POT-Creation-Date: 2018-03-30 14:46+1100\n"
-"PO-Revision-Date: 2018-03-30 11:43+1100\n"
+"PO-Revision-Date: 2018-04-04 20:05+1000\n"
 "Last-Translator: Мирослав Николић <miroslavnikolic@rocketmail.com>\n"
 "Language-Team: Serbian <(nothing)>\n"
 "Language: sr\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
-"Plural-Forms: nplurals=3; plural=(n%10==1 && n%100!=11 ? 0 : n%10>=2 && n%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2);\n"
 "X-Bugs: Report translation errors to the Language-Team address.\n"
+"Plural-Forms: nplurals=3; plural=(n%10==1 && n%100!=11 ? 0 : n%10>=2 && n%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2);\n"
 
 #. TRANSLATORS: The name of the game.  You may choose to translate it into
 #. your own language (recommended) or keep it the same as the English