README generlize install command

Author: ngAtesz

README.md

@@ -56,7 +56,7 @@ With this code snippet collection I would like to help to make easier and more p
 3. Navigate to the repo folder
 4. Run the following command:
 
-    `code --install-extension projectify-1.1.1.vsix`
+    `code --install-extension projectify-1.x.x.vsix`
 
 5. Restart your VS Code