Comment cleanup from Jim Roseborough
Change-Id: Id47101fe32e1449e660ec536934ee91fdaf452c7
diff --git a/internal/ceres/graph_algorithms.h b/internal/ceres/graph_algorithms.h
index f38a13f..ca3a2fe 100644
--- a/internal/ceres/graph_algorithms.h
+++ b/internal/ceres/graph_algorithms.h
@@ -43,7 +43,8 @@
namespace ceres {
namespace internal {
-// Compare two vertices of a graph by their degrees.
+// Compare two vertices of a graph by their degrees, if the degrees
+// are equal then order them by their ids.
template <typename Vertex>
class VertexTotalOrdering {
public:
