diff --git a/tests/README.md b/tests/README.md
index cf53bf1..e1c9544 100644
--- a/tests/README.md
+++ b/tests/README.md
@@ -5,6 +5,6 @@ These tests require an authenticated WhatsApp Web session, as well as an additio
 This can be configured using the following environment variables:
 - `WWEBJS_TEST_SESSION`: A JSON-formatted string with the session details. Must include `WABrowserId`, `WASecretBundle`, `WAToken1` and `WAToken2`.
 - `WWEBJS_TEST_SESSION_PATH`: Path to a JSON file that contains the session details. Must include `WABrowserId`, `WASecretBundle`, `WAToken1` and `WAToken2`.
-- `WWEBJS_TEST_REMOTEID`: A valid WhatsApp ID that you can send messages to, e.g. `123456789@c.us`.
+- `WWEBJS_TEST_REMOTE_ID`: A valid WhatsApp ID that you can send messages to, e.g. `123456789@c.us`. It should be different from the ID used by the provided session.
 
-You *must* set `WWEBJS_TEST_REMOTEID` **and** either `WWEBJS_TEST_SESSION` or `WWEBJS_TEST_SESSION_PATH` for the tests to run properly.
\ No newline at end of file
+You *must* set `WWEBJS_TEST_REMOTE_ID` **and** either `WWEBJS_TEST_SESSION` or `WWEBJS_TEST_SESSION_PATH` for the tests to run properly.