diff --git a/Dockerfile b/Dockerfile
index e51d31b..cc02c32 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -63,7 +63,6 @@ RUN cd text-generation-webui-tmp && python download-model.py samwit/alpaca7b-lor
 
 COPY *.py .
 COPY text-generation-webui text-generation-webui
-RUN ls -l
 COPY monkeypatch .
 
 RUN mv -f text-generation-webui-tmp/* text-generation-webui/
diff --git a/README.md b/README.md
index dc879ab..23cd25e 100644
--- a/README.md
+++ b/README.md
@@ -5,7 +5,7 @@ Made some adjust for the code in peft and gptq for llama, and make it possible f
 
 ```
 git clone https://github.com/andybarry/alpaca_lora_4bit_docker.git
-DOCCKER_BUILDKIT=1 docker build -t alpaca_lora_4bit .
+DOCCKER_BUILDKIT=1 docker build -t alpaca_lora_4bit . # build step can take 12 min
 docker run --gpus=all -p 7860:7860 alpaca_lora_4bit
 ```
 Point your browser to http://localhost:7860