diff --git a/README.md b/README.md
index 9c3a46d..7f64534 100644
--- a/README.md
+++ b/README.md
@@ -6,12 +6,16 @@ Made some adjust for the code in peft and gptq for llama, and make it possible f
 # Update Logs
 * Resolved numerically unstable issue
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 * Reconstruct fp16 matrix from 4bit data and call torch.matmul largely increased the inference speed.
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 * Added install script for windows and linux.
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-* Added Gradient Checkpointing. Now It can finetune 30b model 4bit on a single GPU with 24G VRAM. (finetune.py updated)
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+* Added Gradient Checkpointing. Now It can finetune 30b model 4bit on a single GPU with 24G VRAM with Gradient Checkpointing enabled. (finetune.py updated) (but would reduce training speed, so if having enough VRAM this option is not needed)
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 * Added install manual by s4rduk4r
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