diff --git a/README.md b/README.md
index 26d8438..76dcff7 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,10 @@
 # KilluaBot
 A good discord bot.
+
+
+requires a few env vars:
+
+```
+KILLUA_JSON_PATH=path to the json file (file must be writable)
+BOT_TOKEN=the token
+```
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