Update README.md

revise the public index

Author: cainmagi

docs/README.md

@@ -21,7 +21,7 @@ This is a mpegcoder adapted from FFmpeg & Python-c-api. Using it you could get a
 Getting your versions here! You could also visit the [release page](https://github.com/cainmagi/FFmpeg-Encoder-Decoder-for-Python/releases "Release Page") for current mpegCoder.
 
 | Version | Platform | Python Ver. | Numpy Ver. | FFmpeg Ver. |
-| ---------- | -----------|
+| ---------- | ----------- | ----------- | ----------- | ----------- |
 | [1.7](https://github.com/cainmagi/FFmpeg-Encoder-Decoder-for-Python/releases/download/1.7/mpegCoder_1_7_Linux.7z "Linux, 1.7") | Linux | 3.5 | 1.13 | 3.3 |
 | [1.7](https://github.com/cainmagi/FFmpeg-Encoder-Decoder-for-Python/releases/download/1.7/mpegCoder_1_7_Win.7z "Windows, 1.7") | Windows | 3.5 | 1.13 | 3.3 |