diff --git a/README.md b/README.md
index a15276ee2..d8550748d 100644
--- a/README.md
+++ b/README.md
@@ -19,7 +19,7 @@ All work is tracked via issues. An attempt at keeping an up-to-date view on rema
 The main branches under development at the moment are:
 * [`master`](https://github.com/filecoin-project/lotus): current testnet.
 * [`next`](https://github.com/filecoin-project/lotus/tree/next): working branch with chain-breaking changes.
-* [`interopnet`](https://github.com/filecoin-project/lotus/tree/interopnet): devnet running one of `next` commits.
+* [`ntwk-calibration`](https://github.com/filecoin-project/lotus/tree/ntwk-calibration): devnet running one of `next` commits.
 
 ## License