update

README.md

@@ -1,7 +1,7 @@
 # php-exif-data-read
 Using this php code anyone can easily read and show 10 types of exif data of a image
 
-# Avialable exif data
+## Avialable exif data
 - Camera Brand
 - Camera Model
 - Lens
@@ -13,5 +13,13 @@ Using this php code anyone can easily read and show 10 types of exif data of a i
 - Metering Mode
 - Metering Mode
 
-# How to use
-Copy the full code where you want to show. Then follow the comment in the code.
+## How to use
+Copy the full code where you want to show. Then follow the comment in the code.
+
+## Contributing
+Pull requests are welcome. For major changes, please open an issue first to discuss what you would like to change.
+
+Please make sure to update tests as appropriate.
+
+## License
+[MIT](https://choosealicense.com/licenses/mit/)