6d0d0fe51f Fix rustdoc header format (jamil.lambert)
Pull request description:
By convention rustdoc headers should not include a colon.
Removed colon from rustdoc headers.
ACKs for top commit:
apoelstra:
ACK 6d0d0fe51f
Tree-SHA512: 36d5822e80cc86139ce07a1c86681998e1d27549421b9b50589fe4a9a5c860ed47f145d5af9501957f199d0f77df069c2b295d43ed4a15e9b6d98c0edc12abd0