diff --git a/esm/README.md b/esm/README.md
index 549331ef..5cda12cc 100644
--- a/esm/README.md
+++ b/esm/README.md
@@ -111,7 +111,7 @@ Benchmark PyTorch MPS performance:
 python benchmarks/benchmark_pt.py
 ```
 
-Expected performance on M4 MacBook Pro (batch_size = 5):
+Expected performance on M4 MacBook Pro (ESM-2 650M, batch_size = 5):
 
 - MLX: 299 ms per step, 16.71 sequences/sec
 - PyTorch MPS: 402 ms per step, 12.43 sequences/sec