Fixup encoding issue when building description.
Fixup encoding issue when building description.

python-hyper/hyper-h2,Kriechi/hyper-h2,Kriechi/hyper-h2,vladmunteanu/hyper-h2,bhavishyagopesh/hyper-h2,vladmunteanu/hyper-h2,python-hyper/hyper-h2