minor update in osd_overview.
minor update in osd_overview.

xldeveloper/OpenSubdiv,takahito-tejima/OpenSubdiv,takahito-tejima/OpenSubdiv,anshuarya/OpenSubdiv,c64kernal/OpenSubdiv,shengfuintel/OpenSubdiv,shengfuintel/OpenSubdiv,nyotis/OpenSubdiv,xldeveloper/OpenSubdiv,anshuarya/OpenSubdiv,nyotis/OpenSubdiv,lookup1980/OpenSubdiv,shengfuintel/OpenSubdiv,lookup1980/OpenSubdiv,lookup1980/OpenSubdiv,takahito-tejima/OpenSubdiv,c64kernal/OpenSubdiv,anshuarya/OpenSubdiv,nyotis/OpenSubdiv,xldeveloper/OpenSubdiv,c64kernal/OpenSubdiv