Fix longstanding typo in the webpage/doc title
Fix longstanding typo in the webpage/doc title

This commit was SVN r572.

ggouaillardet/hwloc,ggouaillardet/hwloc,shekkbuilder/hwloc,ggouaillardet/hwloc,shekkbuilder/hwloc,shekkbuilder/hwloc,shekkbuilder/hwloc,ggouaillardet/hwloc