Improved wording of latest developmental branch URL in docs
Improved wording of latest developmental branch URL in docs

liangjg/openmc,smharper/openmc,johnnyliu27/openmc,walshjon/openmc,mit-crpg/openmc,johnnyliu27/openmc,mit-crpg/openmc,samuelshaner/openmc,amandalund/openmc,walshjon/openmc,shikhar413/openmc,walshjon/openmc,wbinventor/openmc,mit-crpg/openmc,wbinventor/openmc,amandalund/openmc,paulromano/openmc,paulromano/openmc,bhermanmit/openmc,amandalund/openmc,samuelshaner/openmc,liangjg/openmc,liangjg/openmc,paulromano/openmc,shikhar413/openmc,bhermanmit/openmc,smharper/openmc,paulromano/openmc,wbinventor/openmc,shikhar413/openmc,walshjon/openmc,shikhar413/openmc,smharper/openmc,samuelshaner/openmc,smharper/openmc,johnnyliu27/openmc,samuelshaner/openmc,amandalund/openmc,liangjg/openmc,wbinventor/openmc,mit-crpg/openmc,johnnyliu27/openmc