added more documentation and cleaned up code

1 files changed, 6 insertions, 2 deletions

diff --git a/Graph.cs b/Graph.cs
index 8521bd4..10381f1 100644
--- a/Graph.cs
+++ b/Graph.cs
@@ -14,19 +14,23 @@ namespace Graph
             Vertices = vertices;
         }
 
-        // Indexer for accessing vertex with id of index 
+        // indexer for accessing vertex with id of index 
         public Vertex<T> this[int index] { get => Vertices.Find(vertex => vertex.Id == index); }
 
+        // create virtex if needed, then add the edge to it's edges list
         public void AddEdge(Edge<T> edge)
         {
+            // look for existing vertex, and use it if found
             Vertex<T> vertex = Vertices.Find(u => u.Id == edge.U);
 
             if (vertex == null)
             {
+                // if not found, create a new vertex
                 Vertices.Add(vertex = new Vertex<T>(edge.U));
                 vertex = Vertices[Vertices.Count - 1];
             }
-
+            
+            // add the edge to the new/found vertex
             vertex.Edges.Add(edge);
         }