model: correct mo_graph comment

My understanding of the mo_graph was incorrect, due to some confusion over the
CycleGraph interfaces. Correct this.

diff --git a/model.h b/model.h
index fcdc69fd9cf510fc1681e05c4b0edc346a4b0e31..98b9d5fffe3ea9c3c4827a3c9475e9328dec947e 100644 (file)
--- a/model.h
+++ b/model.h
@@ -132,10 +132,9 @@ private:
         * disjoint (unconnected) subgraphs, each graph corresponding to a
         * separate ordering on a distinct object.
         *
-        * Note that the edges in this graph actually represent the "ordered
-        * after" relation, such that <tt>a --> b</tt> means <tt>a</tt> was
-        * ordered after <tt>b</tt>, or in the traditional sense of
-        * modification order, <tt>b --mo--> a</tt>.
+        * The edges in this graph represent the "ordered before" relation,
+        * such that <tt>a --> b</tt> means <tt>a</tt> was ordered before
+        * <tt>b</tt>.
         */
        CycleGraph *mo_graph;