Instruments/Zeiss-Elyra-7.md

@@ -132,7 +132,7 @@ Full shutdown (last user of the day)
 - Shut down the PC
 - Switch off the microscope
 
-Always make sure that the system is back at 27°C and the CO2 is off when you have done any live cell imaging.
+Always make sure that the system is back at 27°C and the CO<sub>2</sub> is off when you have done any live cell imaging.
 
 # Data Processing