Update docstring for `average_degree_connectivity`.
Update docstring for `average_degree_connectivity`.

harlowja/networkx,jni/networkx,Sixshaman/networkx,RMKD/networkx,bzero/networkx,kernc/networkx,dmoliveira/networkx,andnovar/networkx,harlowja/networkx,jakevdp/networkx,wasade/networkx,michaelpacer/networkx,dhimmel/networkx,beni55/networkx,bzero/networkx,kernc/networkx,debsankha/networkx,sharifulgeo/networkx,sharifulgeo/networkx,debsankha/networkx,jcurbelo/networkx,jakevdp/networkx,RMKD/networkx,blublud/networkx,ghdk/networkx,kernc/networkx,tmilicic/networkx,jni/networkx,nathania/networkx,SanketDG/networkx,nathania/networkx,NvanAdrichem/networkx,chrisnatali/networkx,farhaanbukhsh/networkx,sharifulgeo/networkx,jni/networkx,ghdk/networkx,debsankha/networkx,jfinkels/networkx,RMKD/networkx,aureooms/networkx,farhaanbukhsh/networkx,jakevdp/networkx,chrisnatali/networkx,ghdk/networkx,yashu-seth/networkx,JamesClough/networkx,farhaanbukhsh/networkx,OrkoHunter/networkx,blublud/networkx,dmoliveira/networkx,harlowja/networkx,cmtm/networkx,ionanrozenfeld/networkx,aureooms/networkx,nathania/networkx,goulu/networkx,bzero/networkx,ionanrozenfeld/networkx,ltiao/networkx,dhimmel/networkx,dmoliveira/networkx,blublud/networkx,dhimmel/networkx,aureooms/networkx,ionanrozenfeld/networkx,chrisnatali/networkx