diff --git a/automated-iv-curves/README.md b/automated-iv-curves/README.md
index ad51f28..0c1648c 100755
--- a/automated-iv-curves/README.md
+++ b/automated-iv-curves/README.md
@@ -1,4 +1,4 @@
 # FTIR-IV
-Script for IV measurements using Keithley 196 DMM for voltage measurements, and the SIM900 rack with the SIM928 voltage source. 
+Script for IV measurements using Keithley 196 DMM for voltage measurements, and the SIM900 rack with the SIM928 voltage source. Use `iv_run.py` to run the IV measurement. 
 
 Note that the script is made specifically for these instruments. The command messages need to be changed if you would like to use it with other instruments. Command messages are found in the manuals of the corresponding instruments.