README.markdown in grosser-db_graph-0.1.2 vs README.markdown in grosser-db_graph-0.1.3

@@ -17,14 +17,17 @@
     ./script/plugins install git://github.com/grosser/db_graph.git
 
 
 Usage
 =====
-    #all hours/days/weeks/months
+Static interface for single lines
+    DBGraph::Line.url(:weeks, User, :created_at, :at=>Time.now)
+
+Or instance interface for multiple lines
     g = DBGraph::Line.new(:weeks)
 
-    #hours/days/weeks/months in a selected interval (e.g. in 1 year for months)
-    g = DBGraph::Line.new(:weeks, :at=>Time.parse('2009-01-02 14:15:16'))
+    #minutes/hours/days/weeks/months in a selected interval (:at is expanded to a interval, here: 2009-2010)
+    g = DBGraph::Line.new(:weeks, :at=>Time.parse('2009-01-02'))
     
     g.add(User, :created_at)
     g.add(Item, :sold_at, :label=>'Things we sold')
     g.add(Product, :sold_at, :conditions=>['merchandise = ?',false])
     ...
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