Update README.md

README.md

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-# LosslessCut
-Cross platform GUI tool for lossless trimming / cutting of videos using ffmpeg and electron. Great for rough processing of large video files taken from a video camera, drone, etc. Lets you quickly get rid of the useless parts. It doesn't do any decoding / encoding and is therefore very fast and has no quality loss. Also allows for taking JPEG snapshots of the video at the selected time.
+# LosslessCut 🎥 [![Travis](https://img.shields.io/travis/mifi/lossless-cut.svg)]()
+Simple, cross platform video editor for lossless trimming / cutting of videos. Great for rough processing of large video files taken from a video camera, GoPro, drone, etc. Lets you quickly extract the good parts from your videos. It doesn't do any decoding / encoding and is therefore extremely fast and has no quality loss. Also allows for taking JPEG snapshots of the video at the selected time. This app uses the awesome ffmpeg🙏 for doing the grunt work. ffmpeg is not included and must be installed separately.
 
 ![Demo](demo.gif)
 
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 ## Documentation
 
-Drag drop a video file into player to load or use <kbd>⌘</kbd>/<kbd>CTRL</kbd>+<kbd>O</kbd>. Select the start and end time and press the scissors button. The original video files will not be modified. Instead it creates a lossless export in the same directory as the original file. Preserves exif data.
+- Drag drop a video file into player to load or use <kbd>⌘</kbd>/<kbd>CTRL</kbd>+<kbd>O</kbd>.
+- Select the start and end time
+- Press the scissors button to export a slice.
+- Press the camera button to take a snapshot.
+
+The original video files will not be modified. Instead it creates a lossless export in the same directory as the original file with from/to timestamps. Note that the cut is currently not precise around the cutpoints, so video before/after the nearest keyframe will be lost. EXIF data is preserved.
 
 ### Keyboard shortcuts
 - <kbd>SPACE</kbd> Play/pause
@@ -28,7 +33,7 @@ Drag drop a video file into player to load or use <kbd>⌘</kbd>/<kbd>CTRL</kbd>
 
 ## Development building / running
 
-Make sure you have at least node v4 with npm 3.
+This app is made using Electron. [electron-compile](https://github.com/electron/electron-compile) is used for development. Make sure you have at least node v4 with npm 3.
 ```
 git clone https://github.com/mifi/lossless-cut.git
 cd lossless-cut