diff --git a/elements/10_electric/10_allpole/390_sensors&instruments/16_sensors_ultrasonic/capteurs_ultrasons.elmt b/elements/10_electric/10_allpole/390_sensors&instruments/16_sensors_ultrasonic/capteurs_ultrasons.elmt
index 8bedb2ad9..01194057e 100644
--- a/elements/10_electric/10_allpole/390_sensors&instruments/16_sensors_ultrasonic/capteurs_ultrasons.elmt
+++ b/elements/10_electric/10_allpole/390_sensors&instruments/16_sensors_ultrasonic/capteurs_ultrasons.elmt
@@ -4,7 +4,7 @@
         <name lang="el">Αισθητήρας υπερήχων με 3 ακροδέκτες</name>
         <name lang="de">Ultraschallsensor 3-Leiter</name>
         <name lang="fr">Capteur ultrasons 3 bornes</name>
-        <name lang="cs">Ultrazvukové čidlo se třemi svorkami</name>
+        <name lang="cs">Ultrazvukový snímač 3 vodiče</name>
         <name lang="es">Sensor ultrasónico 3 terminales</name>
         <name lang="ar">حسّاس فوق صوتي ثلاث أطراف</name>
         <name lang="it">Sensore ultrasonico a 3 terminali</name>
diff --git a/elements/10_electric/10_allpole/391_consumers&actuators/10_engines/motor-mono-cond.elmt b/elements/10_electric/10_allpole/391_consumers&actuators/10_engines/motor-mono-cond.elmt
index d237be78f..951888931 100644
--- a/elements/10_electric/10_allpole/391_consumers&actuators/10_engines/motor-mono-cond.elmt
+++ b/elements/10_electric/10_allpole/391_consumers&actuators/10_engines/motor-mono-cond.elmt
@@ -5,7 +5,7 @@
         <name lang="en">Three-phase engine</name>
         <name lang="fr">Moteur monophase condensateur</name>
         <name lang="es">Motor mono cond.</name>
-        <name lang="cs">Trojfázový motor</name>
+        <name lang="cs">Jednofázový motor</name>
     </names>
     <informations>Author: The QElectroTech team&#xd;&#xd;&#xd;&#xd;&#xd;&#xd;
 License: see http://qelectrotech.org/wiki/doc/elements_license</informations>