Update NodeGraph.java

src/edu/caltech/cs2/coloring/NodeGraph.java

@@ -16,7 +16,7 @@ public class NodeGraph {
     private static class Node {
         public int name;
         public int color;
-        public ISet<Node> neighbors; // The names of this node's neighbors
+        public ISet<Node> neighbors; // The set of this node's neighboring nodes
         public ISet<Integer> neighborColors; // The colors which its neighbors use
         public ISet<Integer> neighborsUncolored; // The names of its neighbors which aren't yet colored
 
@@ -120,7 +120,7 @@ public class NodeGraph {
 
     /**
      * Gets the degree of saturation of a given vertex
-     * (ie: the number of unique colors across its neighbors)
+     * (i.e., the number of unique colors across its neighbors)
      * @param n The name of the vertex
      * @return Its degree of saturation
      */