diff --git a/langfilter/lang/C/messages.po b/langfilter/lang/C/messages.po
index a53bb0ba..e4995ec9 100644
--- a/langfilter/lang/C/messages.po
+++ b/langfilter/lang/C/messages.po
@@ -8,7 +8,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: \n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2015-07-24 19:11+0200\n"
+"POT-Creation-Date: 2015-09-22 15:18+0200\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
@@ -17,11 +17,11 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 
-#: langfilter.php:43
+#: langfilter.php:44
 msgid "Language Filter"
 msgstr ""
 
-#: langfilter.php:44
+#: langfilter.php:45
 msgid ""
 "This addon tries to identify the language of a postings. If it does not "
 "match any language spoken by you (see below) the posting will be collapsed. "
@@ -29,29 +29,40 @@ msgid ""
 "postings."
 msgstr ""
 
-#: langfilter.php:45
+#: langfilter.php:46
 msgid "Use the language filter"
 msgstr ""
 
-#: langfilter.php:46
+#: langfilter.php:47
 msgid "I speak"
 msgstr ""
 
-#: langfilter.php:46
+#: langfilter.php:47
 msgid ""
-"List of abbreviations for languages you speak, comma seperated. For excample "
-"\"de,it\"."
+"List of abbreviations (iso2 codes) for languages you speak, comma separated. "
+"For example \"de,it\"."
 msgstr ""
 
-#: langfilter.php:47
+#: langfilter.php:48
+msgid "Minimum confidence in language detection"
+msgstr ""
+
+#: langfilter.php:48
+msgid ""
+"Minimum confidence in language detection being correct, from 0 to 100. Posts "
+"will not be filtered when the confidence of language detection is below this "
+"percent value."
+msgstr ""
+
+#: langfilter.php:49
 msgid "Save Settings"
 msgstr ""
 
-#: langfilter.php:66
+#: langfilter.php:73
 msgid "Language Filter Settings saved."
 msgstr ""
 
-#: langfilter.php:105
+#: langfilter.php:123
 #, php-format
 msgid "unspoken language %s - Click to open/close"
 msgstr ""