diff --git a/README.md b/README.md
index bf77737..b058342 100644
--- a/README.md
+++ b/README.md
@@ -15,6 +15,7 @@ well as providing access to many status bits and messages.
 ```
 epicsEnvSet("INSTR", "SQ:INSTRUMENT:") # can also be set in runScript call
 
+require sinqSPS
 runScript("$(sinqSPS_DIR)shutter.cmd","SPS_IP=172.28.101.26,FETCH_DB=210")
 ```