Fix grammar

templates/latex/calibration_procedure-ce3-ig/en-para_0-alt_0-method.tex

@@ -48,7 +48,7 @@ The device was installed in a vertical orientation.
   ((*endif*))
 
   ((*if result_type == "srg_vg"*))
-  During the calibration by SRG comparison with (((helper["gas_trans"][gas][lang])))
+  During the calibration by SRG comparison with (((helper["gas_trans"][gas][lang]))),
   the temperature of the gas was (((measurement_data.GasTemperature))). Here, the
   room temperature was (((measurement_data.RoomTemperature))).
   ((*endif*))