diff --git a/po/cs.po b/po/cs.po
index e1f52c5033..03cb8363f3 100644
--- a/po/cs.po
+++ b/po/cs.po
@@ -12925,7 +12925,7 @@ msgstr "Zna
 
 #: lib/ui/stdmenus.inc:402
 msgid "Ligature Break|k"
-msgstr "Rozbít ligaturu|l"
+msgstr "Rozbít slitek (ligaturu)|l"
 
 #: lib/ui/stdmenus.inc:415
 msgid "Display Formula|D"
@@ -18460,7 +18460,7 @@ msgstr ""
 
 #: src/LyXRC.cpp:3203
 msgid "Disable any kerning and ligatures for text drawing on screen."
-msgstr "Vypnout kerning a ligatury pro kreslení na obrazovce."
+msgstr "Vypnout vyrovnání (kerning) a slitky (ligatury) pro kreslení na obrazovce."
 
 #: src/LyXRC.cpp:3210
 msgid ""