Fix typos in the changelog.
Fix typos in the changelog.


Former-commit-id: 9095c7dabea46dac623cede7eab03dcdb990f086
neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox