diff --git a/lang/po/Firmware_cs.po b/lang/po/Firmware_cs.po
index 1b375b93c..c7eae9548 100644
--- a/lang/po/Firmware_cs.po
+++ b/lang/po/Firmware_cs.po
@@ -2605,7 +2605,7 @@ msgstr "Není vložen filament. Tisk zrušen."
 #. MSG_Z_CALIBRATION_PROMPT c=20 r=3
 #: ../../Firmware/messages.cpp:128 ../../Firmware/ultralcd.cpp:3752
 msgid "Z calibration recommended. Run it now?"
-msgstr "Doporučuje se kalibrace Z. Spustíte ji nyní?"
+msgstr "Doporučujeme kalibraci osy Z. Spustit nyní?"
 
 #~ msgid "Remove old filament and press the knob to start loading new filament."
 #~ msgstr "Vyjmete stary filament a stisknete tlacitko pro zavedeni noveho."