Doc - Updates (#231)

[ROCm/rocdecode commit: 5e5c92abb5]

projects/rocdecode/samples/videoDecode/README.md

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 # Video decode sample
 
-The video decode sample illustrates decoding a single packetized video stream using FFMPEG demuxer, video parser, and rocDecoder to get the individual decoded frames in YUV format. This sample cab ne configured with a device ID and optionally able to dump the output to a file. This sample uses the high level RocVideoDecoder class which connects both the video parser and Rocdecoder. This process repeats in a loop until all frames have been decoded.
+The video decode sample illustrates decoding a single packetized video stream using FFMPEG demuxer, video parser, and rocDecoder to get the individual decoded frames in YUV format. This sample can be configured with a device ID and optionally able to dump the output to a file. This sample uses the high-level RocVideoDecoder class which connects both the video parser and Rocdecoder. This process repeats in a loop until all frames have been decoded.
 
 ## Prerequisites: