Fix naming convention in high_frequency example
Fix naming convention in high_frequency example

sbtlaarzc/vispy,RebeccaWPerry/vispy,inclement/vispy,inclement/vispy,srinathv/vispy,michaelaye/vispy,inclement/vispy,sh4wn/vispy,Eric89GXL/vispy,michaelaye/vispy,hronoses/vispy,kkuunnddaannkk/vispy,RebeccaWPerry/vispy,jay3sh/vispy,dchilds7/Deysha-Star-Formation,jay3sh/vispy,michaelaye/vispy,dchilds7/Deysha-Star-Formation,drufat/vispy,QuLogic/vispy,bollu/vispy,ghisvail/vispy,hronoses/vispy,drufat/vispy,dchilds7/Deysha-Star-Formation,bollu/vispy,julienr/vispy,RebeccaWPerry/vispy,Eric89GXL/vispy,jdreaver/vispy,sbtlaarzc/vispy,kkuunnddaannkk/vispy,srinathv/vispy,hronoses/vispy,srinathv/vispy,kkuunnddaannkk/vispy,sbtlaarzc/vispy,jdreaver/vispy,sh4wn/vispy,ghisvail/vispy,drufat/vispy,QuLogic/vispy,jdreaver/vispy,QuLogic/vispy,jay3sh/vispy,julienr/vispy,sh4wn/vispy,ghisvail/vispy,Eric89GXL/vispy,julienr/vispy,bollu/vispy