-"pure provides are triangles, mixed provides are diamonds, missing packages "
-"are hexagons. Orange boxes mean recursion was stopped [leaf packages], blue "
-"lines are pre-depends, green lines are conflicts."
+"pure virtual packages are triangles, mixed virtual packages are diamonds, "
+"missing packages are hexagons. Orange boxes mean recursion was stopped (leaf "
+"packages), blue lines are pre-depends, green lines are conflicts."