e3db95226a Tidy description (yancy)
Pull request description:
I noticed `uncheced_add` looked really bad with two spaces (my mistake). Fixed some others as well.
ACKs for top commit:
apoelstra:
ACK e3db95226a oops, we should have caught this. Thanks for the fix!
tcharding:
ACK e3db95226a
Tree-SHA512: 8a2e7f85262f17063bea6ac22855ae45d99a1559a2d30f2627ffba1108f0fd8ebd0b541b50fe746b5af2ebb013cb3e9ea432987b90f37c046120388a808c5443