Update README.md

README.md

@@ -58,14 +58,15 @@ Linux | [![Build Status](https://travis-ci.org/xiongziliang/ZLMediaKit.svg?branc
     sudo apt-get install openssl
     sudo apt-get install libssl-dev
     ```
+  
   - [ZLToolKit](https://github.com/xiongziliang/ZLToolKit)
     ```
-    git clone --depth=50 https://github.com/xiongziliang/ZLToolKit.git,
-    cd ZLToolKit,
-    mkdir -p build,
-    cd build,
-    cmake ..,
-    make,
+    git clone --depth=50 https://github.com/xiongziliang/ZLToolKit.git
+    cd ZLToolKit
+    mkdir -p build
+    cd build
+    cmake ..
+    make
     sudo make install
     ```