Correct docstring of ptx
Correct docstring of ptx

cpcloud/numba,ssarangi/numba,stefanseefeld/numba,ssarangi/numba,pombredanne/numba,GaZ3ll3/numba,IntelLabs/numba,stefanseefeld/numba,stonebig/numba,stefanseefeld/numba,pitrou/numba,pitrou/numba,sklam/numba,seibert/numba,stuartarchibald/numba,cpcloud/numba,gdementen/numba,gmarkall/numba,GaZ3ll3/numba,stonebig/numba,pitrou/numba,cpcloud/numba,gdementen/numba,cpcloud/numba,gmarkall/numba,gmarkall/numba,gdementen/numba,stefanseefeld/numba,jriehl/numba,stuartarchibald/numba,seibert/numba,seibert/numba,sklam/numba,ssarangi/numba,GaZ3ll3/numba,GaZ3ll3/numba,sklam/numba,seibert/numba,GaZ3ll3/numba,stonebig/numba,IntelLabs/numba,ssarangi/numba,pombredanne/numba,stefanseefeld/numba,IntelLabs/numba,pitrou/numba,ssarangi/numba,sklam/numba,jriehl/numba,stuartarchibald/numba,seibert/numba,stonebig/numba,pombredanne/numba,stonebig/numba,jriehl/numba,numba/numba,gdementen/numba,stuartarchibald/numba,gdementen/numba,pombredanne/numba,numba/numba,sklam/numba,IntelLabs/numba,gmarkall/numba,pitrou/numba,cpcloud/numba,pombredanne/numba,IntelLabs/numba,jriehl/numba,jriehl/numba,gmarkall/numba,stuartarchibald/numba,numba/numba,numba/numba,numba/numba