events guide: fix typos (#120)
events guide: fix typos (#120)

Thanks @boymanjor for catching these nits in the HSD port for this guide at https://github.com/handshake-org/handshake-org.github.io/pull/17
bcoin-org/bcoin-org.github.io,bcoin-org/bcoin-org.github.io,bcoin-org/bcoin-org.github.io,bcoin-org/bcoin-org.github.io