simplify h264 publish examples

examples/client-read-h264-convert-to-jpeg/main.go

@@ -17,7 +17,7 @@ import (
 // This example shows how to
 // 1. connect to a RTSP server and read all tracks on a path
 // 2. check if there's a H264 track
-// 3. convert H264 into raw frames
+// 3. decode H264 into raw frames
 // 4. encode the frames into JPEG images and save them on disk
 
 // This example requires the ffmpeg libraries, that can be installed in this way: