Make help function easier to read.

source-code/mgvideoreader.m

@@ -4,16 +4,18 @@
 % and returns a data structure containing the video parameters and data. It
 % could extract segment from existing musical gestures data structure.
 % syntax: mg = mgvideoreader(filename)
+%
 % input: 
 % filename: the name of video file
-% Extract: indicates  that mgvideoreader reads a segment from the video
+% extract: indicates  that mgvideoreader reads a segment from the video
 % starttime: start of extracted segment 
 % endtime: end of extracted segment
 % mg: a musical gestures data structure
+%
 % output:
 % mg,a musical gestures data structure containing the extracted segment of
-% the video
-%eg. s = mgvideoreader(filename,'Extract',timestart)
+% the video, for example: 
+% s = mgvideoreader(filename,'Extract',timestart)
 % s = mgvideoreader(mg);
 % s = mgvideoreader(mg,'Extract',timestart)
 % s = mgvideoreader(mg,'Extract',timestart,timeend)