diff --git a/po/sk.po b/po/sk.po
index d5e7b66d91..cc939f7d69 100644
--- a/po/sk.po
+++ b/po/sk.po
@@ -8,8 +8,8 @@ msgid ""
 msgstr ""
 "Project-Id-Version: LyX-2.3\n"
 "Report-Msgid-Bugs-To: lyx-devel@lists.lyx.org\n"
-"POT-Creation-Date: 2020-06-06 11:39+0200\n"
-"PO-Revision-Date: 2020-06-06 09:40+0000\n"
+"POT-Creation-Date: 2020-06-13 09:08+0200\n"
+"PO-Revision-Date: 2020-06-13 07:11+0000\n"
 "Last-Translator: Kornel Benko <kornel@lyx.org>\n"
 "Language-Team: Slovak <kornel@lyx.org>\n"
 "Language: sk\n"
@@ -20711,6 +20711,10 @@ msgstr "Strojopis\t\\mathtt"
 msgid "Blackboard\t\\mathbb"
 msgstr "Tabuľa\t\\mathbb"
 
+#: lib/ui/stdtoolbars.inc:415
+msgid "Double stroke\t\\mathds"
+msgstr "Dvojitý ťah\t\\mathds"
+
 #: lib/ui/stdtoolbars.inc:415
 msgid "Fraktur\t\\mathfrak"
 msgstr "Fraktur\t\\mathfrak"