diff --git a/README.md b/README.md
index 9113d14..bd493e1 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,8 @@
 First do `pip install --user -r requirements.txt` (or use a virtual env or
 something, idc). Then do `flask run`. That should be about it.
 
-Grab the API call from inspect element and stick it in the input box.
+Grab the API call from Inspect Element → Network that starts with
+`https://www.marktplaats.nl/lrp/api/search?` and stick it in the input box.
 
 If Marktplaats gets mad at you for using this for some reason, don't get mad at
 me. Use at your own risk.