Ollama portable zip QuickStart tiny fix (#12862)

* Tiny fix to ollama portable zip quickstart

* Tiny fix

Author: Oscilloscope98

docs/mddocs/Quickstart/ollama_portablze_zip_quickstart.md

@@ -71,8 +71,7 @@ Download IPEX-LLM Ollama portable tgz for Ubuntu users from the [link](https://g
 Then open a terminal, extract the tgz file to a folder.
 
 ```bash
-cd PATH/TO/DOWNLOADED/TGZ
-tar xvf [Downloaded tgz file]
+tar -xvf [Downloaded tgz file path]
 ```
 
 ### Step 2: Start Ollama Serve

docs/mddocs/Quickstart/ollama_portablze_zip_quickstart.zh-CN.md

@@ -71,16 +71,15 @@
 
 然后，开启一个终端，输入如下命令将 tgz 文件解压到一个文件夹中。
 ```bash
-cd PATH/TO/DOWNLOADED/TGZ
-tar xvf [Downloaded tgz file]
+tar -xvf [Downloaded tgz file path]
 ```
 
 ### 步骤 2：启动 Ollama Serve
 
 进入解压后的文件夹，执行`./start-ollama.sh`启动 Ollama Serve： 
 
 ```bash
- cd PATH/TO/EXTRACTED/FOLDER
+cd PATH/TO/EXTRACTED/FOLDER
 ./start-ollama.sh
 ```