Merge pull request #18 from kribblo/kribblo-patch-1

Add a link to process.spawn() docs

README.md

@@ -17,7 +17,7 @@ const ffmpeg = require('@ffmpeg-installer/ffmpeg');
 console.log(ffmpeg.path, ffmpeg.version);
 ```
 
-### process.spawn()
+### [process.spawn()](https://nodejs.org/api/child_process.html#child_process_child_process_spawn_command_args_options)
 
 ```javascript
 const ffmpegPath = require('@ffmpeg-installer/ffmpeg').path;