doc: Clearify language of user-defined attributes
doc: Clearify language of user-defined attributes

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semanet/otp,sammoth-wazoku/otp,isvilen/otp,gjaldon/otp,saleyn/otp,getong/otp,sitexa/otp,saleyn/otp,ahmedshafeeq/otp,lantti/otp,lantti/otp,riverrun/otp,goertzenator/otp,uabboli/otp,kvakvs/otp,entropiae/otp,bernardd/otp,bernardd/otp,lemenkov/otp,jj1bdx/otp,release-project/otp,jemsbhai/otp,ahmedshafeeq/otp,enikki/otp,cobusc/otp,saleyn/otp,lemenkov/otp,derek121/otp,RaimoNiskanen/otp,basho/otp,msantos/otp,sitexa/otp,Teino1978-Corp/erlang-otp,bjorng/otp,GinjaNinja32/otp,VincentHHL/otp,vladdu/otp,uabboli/otp,massemanet/otp,beni55/otp,potatosalad/otp,beni55/otp,dgud/otp,vinoski/otp,vladdu/otp,RoadRunnr/otp,emacsmirror/erlang,paulcager/otp,bugs-erlang-org/otp,lrascao/otp,erlang/otp,ahmedshafeeq/otp,psyeugenic/otp,fenollp/otp,sammoth-wazoku/otp,weisslj/otp,RichMorin/otp,cnbin/otp,mujiatong/otp,klarna/otp,paladim/otp,ahmedshafeeq/otp,falkevik/otp,bjorng/otp,RichMorin/otp,krishnakumar4a4/otp,isvilen/otp,Teino1978-Corp/otp,ader1990/otp,hairyhum/otp,g-andrade/otp,stolen/otp,lhslll/otp,fenollp/otp,massemanet/otp,getong/otp,johanclaesson/otp,tuncer/otp,rlipscombe/otp,g-andrade/otp,palas/otp,lantti/otp,stolen/otp,lightcyphers/otp,mujiatong/otp,entropiae/otp,bugs-erlang-org/otp,yangchengjian/otp,johanclaesson/otp,lucafavatella/otp,legoscia/otp,lrascao/otp,neeraj9/otp,lianghaivv/otp,bjorng/otp,vinoski/otp,VincentHHL/otp,mikpe/otp,psyeugenic/otp,Teino1978-Corp/otp,schlagert/otp,yangchengjian/otp,fenollp/otp,paulcager/otp,paladim/otp,krishnakumar4a4/otp,cobusc/otp,hairyhum/otp,matwey/otp,palas/otp,lantti/otp,cobusc/otp,jamesruan/otp,marquisthunder/otp,VincentHHL/otp,potatosalad/otp,bsmr-erlang/otp,vinoski/otp,lrascao/otp,RaimoNiskanen/otp,erlang/otp,tuncer/otp,getong/otp,legoscia/otp,marquisthunder/otp,bjorng/otp,lemenkov/otp,RoadRunnr/otp,schlagert/otp,jj1bdx/otp,VincentHHL/otp,jinshana/otp,aboroska/otp,paladim/otp,benoitc/otp-1,RGafiyatullin/otp,platinumthinker/otp,sdebnath/otp,saleyn/otp,falkevik/otp,kvakvs/otp,schlagert/otp,erlang/otp,mujiatong/otp,derek121/otp,g-andrade/otp,potatosalad/otp,cobusc/otp,lhslll/otp,yangchengjian/otp,ferd/otp,vinoski/otp,c-rack/otp,erlang/otp,stolen/otp,sammoth-wazoku/otp,vladdu/otp,RoadRunnr/otp,jj1bdx/otp,vinoski/otp,jj1bdx/otp,GinjaNinja32/otp,sitexa/otp,paladim/otp,haguenau/otp,aboroska/otp,haguenau/otp,potatosalad/otp,jj1bdx/otp,lantti/otp,benoitc/otp-1,bsmr-erlang/otp,c-rack/otp,Teino1978-Corp/erlang-otp,schlagert/otp,weisslj/otp,release-project/otp,beni55/otp,VincentHHL/otp,bernardd/otp,RichMorin/otp,Teino1978-Corp/otp,massemanet/otp,tuncer/otp,basho/otp,hairyhum/otp,entropiae/otp,bjorng/otp,dumbbell/otp,matwey/otp,stolen/otp,saleyn/otp,lightcyphers/otp,RaimoNiskanen/otp,RichMorin/otp,lemenkov/otp,release-project/otp,RGafiyatullin/otp,marquisthunder/otp,mujiatong/otp,haguenau/otp,benoitc/otp-1,RJ/otp,klarna/otp,mujiatong/otp,jemsbhai/otp,neeraj9/otp,bernardd/otp,fenollp/otp,RJ/otp,matwey/otp,NOMORECOFFEE/otp,stolen/otp,Teino1978-Corp/erlang-otp,ader1990/otp,emile/otp,jamesruan/otp,lucafavatella/otp,GinjaNinja32/otp,lemenkov/otp,erlang/otp,VincentHHL/otp,sdebnath/otp,g-andrade/otp,theom/otp,emacsmirror/erlang,uabboli/otp,jamesruan/otp,neeraj9/otp,haguenau/otp,platinumthinker/otp,platinumthinker/otp,jemsbhai/otp,sammoth-wazoku/otp,sdebnath/otp,lianghaivv/otp,bugs-erlang-org/otp,RoadRunnr/otp,lrascao/otp,paulcager/otp,hairyhum/otp,beni55/otp,klarna/otp,cnbin/otp,saleyn/otp,vic/otp,vic/otp,klarna/otp,lucafavatella/otp,dgud/otp,RGafiyatullin/otp,aboroska/otp,RoadRunnr/otp,dumbbell/otp,sitexa/otp,ader1990/otp,RoadRunnr/otp,derek121/otp,mujiatong/otp,uabboli/otp,beni55/otp,hairyhum/otp,sitexa/otp,theom/otp,vinoski/otp,getong/otp,jamesruan/otp,dgud/otp,electricimp/otp,jj1bdx/otp,theom/otp,derek121/otp,marquisthunder/otp,marquisthunder/otp,fenollp/otp,ferd/otp,bsmr-erlang/otp,GinjaNinja32/otp,benoitc/otp-1,rlipscombe/otp,lhslll/otp,lantti/otp,electricimp/otp,emacsmirror/erlang,electricimp/otp,ahmedshafeeq/otp,hairyhum/otp,jamesruan/otp,RGafiyatullin/otp,basho/otp,getong/otp,paulcager/otp,potatosalad/otp,cnbin/otp,GinjaNinja32/otp,lucafavatella/otp,matwey/otp,riverrun/otp,cnbin/otp,stolen/otp,fenollp/otp,neeraj9/otp,aboroska/otp,gjaldon/otp,entropiae/otp,enikki/otp,sitexa/otp,massemanet/otp,dgud/otp,lightcyphers/otp,basho/otp,RGafiyatullin/otp,weisslj/otp,falkevik/otp,riverrun/otp,potatosalad/otp,platinumthinker/otp,entropiae/otp,RGafiyatullin/otp,uabboli/otp,jinshana/otp,isvilen/otp,enikki/otp,falkevik/otp,rlipscombe/otp,kvakvs/otp,emile/otp,cobusc/otp,electricimp/otp,aboroska/otp,psyeugenic/otp,ferd/otp,msantos/otp,matwey/otp,ader1990/otp,fenollp/otp,rlipscombe/otp,Teino1978-Corp/otp,jj1bdx/otp,cobusc/otp,krishnakumar4a4/otp,falkevik/otp,awetzel/otp,emacsmirror/erlang,vinoski/otp,sdebnath/otp,palas/otp,release-project/otp,basho/otp,schlagert/otp,dgud/otp,hairyhum/otp,beni55/otp,RJ/otp,sammoth-wazoku/otp,Teino1978-Corp/otp,jinshana/otp,RaimoNiskanen/otp,isvilen/otp,ahmedshafeeq/otp,isvilen/otp,benoitc/otp-1,dumbbell/otp,vinoski/otp,yangchengjian/otp,dumbbell/otp,msantos/otp,ferd/otp,emacsmirror/e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