Fix typo in lti.step2 docstring
Fix typo in lti.step2 docstring

Newman101/scipy,apbard/scipy,mingwpy/scipy,Shaswat27/scipy,futurulus/scipy,matthewalbani/scipy,jor-/scipy,vanpact/scipy,mtrbean/scipy,maniteja123/scipy,petebachant/scipy,ales-erjavec/scipy,Eric89GXL/scipy,njwilson23/scipy,nonhermitian/scipy,lhilt/scipy,nmayorov/scipy,Srisai85/scipy,perimosocordiae/scipy,sriki18/scipy,Shaswat27/scipy,hainm/scipy,woodscn/scipy,WarrenWeckesser/scipy,Gillu13/scipy,mortada/scipy,minhlongdo/scipy,richardotis/scipy,futurulus/scipy,fernand/scipy,woodscn/scipy,grlee77/scipy,felipebetancur/scipy,jseabold/scipy,aarchiba/scipy,mdhaber/scipy,minhlongdo/scipy,giorgiop/scipy,jamestwebber/scipy,mhogg/scipy,raoulbq/scipy,vberaudi/scipy,futurulus/scipy,fernand/scipy,anielsen001/scipy,zerothi/scipy,perimosocordiae/scipy,raoulbq/scipy,arokem/scipy,piyush0609/scipy,sriki18/scipy,larsmans/scipy,ChanderG/scipy,person142/scipy,gfyoung/scipy,giorgiop/scipy,behzadnouri/scipy,Newman101/scipy,lhilt/scipy,mtrbean/scipy,gdooper/scipy,endolith/scipy,ndchorley/scipy,mgaitan/scipy,trankmichael/scipy,ChanderG/scipy,ortylp/scipy,jamestwebber/scipy,mortada/scipy,mikebenfield/scipy,jakevdp/scipy,bkendzior/scipy,cpaulik/scipy,richardotis/scipy,cpaulik/scipy,jamestwebber/scipy,fredrikw/scipy,matthew-brett/scipy,mingwpy/scipy,newemailjdm/scipy,bkendzior/scipy,Gillu13/scipy,WarrenWeckesser/scipy,surhudm/scipy,trankmichael/scipy,mortada/scipy,mikebenfield/scipy,sriki18/scipy,giorgiop/scipy,richardotis/scipy,arokem/scipy,sonnyhu/scipy,ndchorley/scipy,pschella/scipy,Stefan-Endres/scipy,chatcannon/scipy,behzadnouri/scipy,mingwpy/scipy,pyramania/scipy,lukauskas/scipy,grlee77/scipy,ChanderG/scipy,gertingold/scipy,FRidh/scipy,lukauskas/scipy,matthewalbani/scipy,zaxliu/scipy,aarchiba/scipy,jor-/scipy,haudren/scipy,perimosocordiae/scipy,ortylp/scipy,andyfaff/scipy,grlee77/scipy,apbard/scipy,jonycgn/scipy,mtrbean/scipy,rgommers/scipy,Kamp9/scipy,WarrenWeckesser/scipy,zxsted/scipy,lukauskas/scipy,tylerjereddy/scipy,pyramania/scipy,felipebetancur/scipy,maniteja123/scipy,kleskjr/scipy,aman-iitj/scipy,gef756/scipy,vberaudi/scipy,nmayorov/scipy,vberaudi/scipy,argriffing/scipy,andyfaff/scipy,pnedunuri/scipy,Shaswat27/scipy,raoulbq/scipy,cpaulik/scipy,nonhermitian/scipy,e-q/scipy,trankmichael/scipy,chatcannon/scipy,nmayorov/scipy,pbrod/scipy,rmcgibbo/scipy,njwilson23/scipy,andyfaff/scipy,aeklant/scipy,ndchorley/scipy,lhilt/scipy,richardotis/scipy,mdhaber/scipy,raoulbq/scipy,mgaitan/scipy,argriffing/scipy,kleskjr/scipy,ales-erjavec/scipy,pbrod/scipy,Gillu13/scipy,vanpact/scipy,niknow/scipy,josephcslater/scipy,Stefan-Endres/scipy,surhudm/scipy,mortada/scipy,Kamp9/scipy,maniteja123/scipy,argriffing/scipy,giorgiop/scipy,ales-erjavec/scipy,njwilson23/scipy,jseabold/scipy,mhogg/scipy,zaxliu/scipy,Eric89GXL/scipy,WillieMaddox/scipy,surhudm/scipy,mingwpy/scipy,perimosocordiae/scipy,sauliusl/scipy,andyfaff/scipy,anntzer/scipy,pizzathief/scipy,lukauskas/scipy,jseabold/scipy,Srisai85/scipy,rgommers/scipy,pschella/scipy,kalvdans/scipy,mgaitan/scipy,anntzer/scipy,niknow/scipy,jjhelmus/scipy,pyramania/scipy,ChanderG/scipy,jakevdp/scipy,sauliusl/scipy,jonycgn/scipy,scipy/scipy,jakevdp/scipy,ortylp/scipy,josephcslater/scipy,vanpact/scipy,jseabold/scipy,dominicelse/scipy,kleskjr/scipy,mdhaber/scipy,endolith/scipy,mtrbean/scipy,kleskjr/scipy,ales-erjavec/scipy,woodscn/scipy,mingwpy/scipy,pnedunuri/scipy,jakevdp/scipy,futurulus/scipy,maniteja123/scipy,ilayn/scipy,sriki18/scipy,gdooper/scipy,gdooper/scipy,mhogg/scipy,hainm/scipy,WarrenWeckesser/scipy,aman-iitj/scipy,mhogg/scipy,chatcannon/scipy,scipy/scipy,WillieMaddox/scipy,gdooper/scipy,befelix/scipy,perimosocordiae/scipy,chatcannon/scipy,vberaudi/scipy,FRidh/scipy,aeklant/scipy,WillieMaddox/scipy,surhudm/scipy,person142/scipy,FRidh/scipy,andyfaff/scipy,sauliusl/scipy,sonnyhu/scipy,vanpact/scipy,behzadnouri/scipy,lukauskas/scipy,matthew-brett/scipy,petebachant/scipy,giorgiop/scipy,rmcgibbo/scipy,petebachant/scipy,anntzer/scipy,nonhermitian/scipy,sauliusl/scipy,gef756/scipy,lhilt/scipy,kleskjr/scipy,newemailjdm/scipy,matthew-brett/scipy,piyush0609/scipy,andyfaff/scipy,arokem/scipy,andim/scipy,larsmans/scipy,argriffing/scipy,zxsted/scipy,pizzathief/scipy,hainm/scipy,Eric89GXL/scipy,andim/scipy,vigna/scipy,jor-/scipy,perimosocordiae/scipy,ChanderG/scipy,Kamp9/scipy,matthewalbani/scipy,pyramania/scipy,kleskjr/scipy,niknow/scipy,zerothi/scipy,person142/scipy,e-q/scipy,anielsen001/scipy,niknow/scipy,jonycgn/scipy,rmcgibbo/scipy,befelix/scipy,piyush0609/scipy,jjhelmus/scipy,rmcgibbo/scipy,ilayn/scipy,gef756/scipy,zaxliu/scipy,piyush0609/scipy,vberaudi/scipy,apbard/scipy,njwilson23/scipy,matthewalbani/scipy,lukauskas/scipy,gertingold/scipy,behzadnouri/scipy,endolith/scipy,FRidh/scipy,pizzathief/scipy,pizzathief/scipy,rgommers/scipy,anielsen001/scipy,aarchiba/scipy,Eric89GXL/scipy,sonnyhu/scipy,njwilson23/scipy,andim/scipy,bkendzior/scipy,Shaswat27/scipy,woodscn/scipy,WillieMaddox/scipy,newemailjdm/scipy,ilayn/scipy,zaxliu/scipy,fredrikw/scipy,felipebetancur/scipy,zxsted/scipy,WarrenWeckesser/scipy,aeklant/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