Fix issue with ambiguous markdown filename.
Fix issue with ambiguous markdown filename.

SudiptaBiswas/moose,harterj/moose,SudiptaBiswas/moose,andrsd/moose,milljm/moose,permcody/moose,harterj/moose,YaqiWang/moose,sapitts/moose,idaholab/moose,YaqiWang/moose,idaholab/moose,idaholab/moose,dschwen/moose,harterj/moose,harterj/moose,jessecarterMOOSE/moose,milljm/moose,permcody/moose,milljm/moose,lindsayad/moose,jessecarterMOOSE/moose,andrsd/moose,SudiptaBiswas/moose,laagesen/moose,dschwen/moose,lindsayad/moose,sapitts/moose,dschwen/moose,nuclear-wizard/moose,idaholab/moose,sapitts/moose,sapitts/moose,nuclear-wizard/moose,bwspenc/moose,bwspenc/moose,SudiptaBiswas/moose,jessecarterMOOSE/moose,bwspenc/moose,nuclear-wizard/moose,nuclear-wizard/moose,milljm/moose,permcody/moose,lindsayad/moose,laagesen/moose,YaqiWang/moose,YaqiWang/moose,laagesen/moose,andrsd/moose,bwspenc/moose,sapitts/moose,lindsayad/moose,jessecarterMOOSE/moose,bwspenc/moose,lindsayad/moose,laagesen/moose,permcody/moose,dschwen/moose,idaholab/moose,harterj/moose,dschwen/moose,SudiptaBiswas/moose,jessecarterMOOSE/moose,andrsd/moose,andrsd/moose,laagesen/moose,milljm/moose