Fix documentation typos for clustering
Fix documentation typos for clustering

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