fixed README

README.md

@@ -147,12 +147,13 @@ You can set the call back onProgress if you want to be notified on every progres
       });
 
 The progress object consists of 6 properties:
-  * frames: the total processed frame count
-  * currentFps: the framerate at which FFMPEG is currently processing the file
-  * currentKbps: the throughput at which FFMPEG is currently processing the file
-  * targetSize: the current size of the target file
-  * timemark: the timestamp of the frame being processed right now
-  * percent: an estimation on the progress (metadata is used, durationsec * fps)
+
+  * `frames` - the total processed frame count
+  * `currentFps` - the framerate at which FFMPEG is currently processing the file
+  * `currentKbps` - the throughput at which FFMPEG is currently processing the file
+  * `targetSize` - the current size of the target file
+  * `timemark` - the timestamp of the frame being processed right now
+  * `percent` - an estimation on the progress (metadata is used, durationsec * fps)
 
 ### Creating a custom preset
 To create a custom preset, you have to create a new file inside the `lib/presets` folder. The filename is used as the preset's name ([presetname].js). In order to make the preset work, you have to export a `load` function using the CommonJS module specifications: