diff --git a/README.md b/README.md
index 5d81cbbebdce61fc21c994e3da50c26301795bd7..5b48ffff2f87a3c65cc1f82cee859ff794aeaf77 100644
--- a/README.md
+++ b/README.md
@@ -79,7 +79,7 @@ Benchmarking with batch_size = 128 can be used for node health check. For exampl
 
 <img src="https://github.com/xuagu37/Benchmark_nnU-Net_for_PyTorch/blob/main/figures/benchmark_batch_size_ideal.png" width="400">
 
-- Observation 3: Ideally, the improvement of throughput would be linear when the number of GPUs increases. In practice, throughtput stays below the ideal curve when gpus increases.
+- Observation 4: Ideally, the improvement of throughput would be linear when the number of GPUs increases. In practice, throughtput stays below the ideal curve when gpus increases.
 
 <img src="https://github.com/xuagu37/Benchmark_nnU-Net_for_PyTorch/blob/main/figures/benchmark_gpus_ideal.png" width="400">