Minor RDoc stuff

README.rdoc

@@ -88,6 +88,7 @@ Example of setting properties
   node[:name] = 'foo'
   node[:age]  = 123
   node[:hungry] = false
+  node[4] = 3.14
 
 Example of getting properties
 
@@ -97,7 +98,7 @@ Example of creating a relationship
 
   node1 = Neo4j::Node.new
   node2 = Neo4j::Node.new
-  node1.relationships.outgoing(:friends) << node2
+  node1.relationships.outgoing(:friends) << node2  # connects node1 to node2 with relationship type 'friends'
 
 Example of getting relationships
 
@@ -107,9 +108,10 @@ Example of getting relationships
   # The nodes method on the relationships returns the nodes instead.
   node1.relationships.nodes.include?(node2) # => true
 
-  node1.relationships.first # => the first relationship this node1 has which is between node1 and node2
-  node1.relationships.nodes.first # => node2
-  node1.relationships.outgoing(:friends).first # => the first relationship of type :friends
+  node1.relationships.first # => the first relationship this node1 has which is between node1 and node2 of any type
+  node1.relationships.nodes.first # => node2  first node of any relationship type
+  node1.relationships.incoming(:friends).nodes.first # => node1  first node of relationship type 'friends'
+  node2.relationships.incoming(:friends).first # => a relationship object between node1 and node2
 
 Example of setting properties on relationships