Update README.md

Author: JC-ProgJava

README.md

@@ -7,7 +7,7 @@ Requirements:
 
 Installation:
   1. Get .jar file from: https://github.com/JC-ProgJava/SmartEditor.java/blob/master/SmartEditor.java/SmartEditor%20Runnable/SmartEditor.java.jar?raw=true
-  OR: MacOS -> https://github.com/JC-ProgJava/SmartEditor.java/blob/master/SmartEditor.zip?raw=true
+  OR: MacOS -> https://github.com/JC-ProgJava/SmartEditor.java/blob/master/SmartEditor.dmg?raw=true
   2. Double-click on jar to run.
 
   If error occurs, please run from command prompt/terminal: