doc: Add missing version compare sign
doc: Add missing version compare sign

Signed-off-by: Alexander Trost <88b6b84d9fa0dbf878e34ae3d402bc4895fcd37e@googlemail.com>

rook/rook,rook/rook,rook/nfs,rook/rook,rook/rook,rook/nfs,rook/nfs,rook/rook