lib/prawn/graph/grid.rb in prawn-graph-0.0.2 vs lib/prawn/graph/grid.rb in prawn-graph-0.0.3

@@ -1,6 +1,11 @@
 module Prawn
   module Chart
+    
+    # Prawn::Chart::Grid represents the area whcih your data will be plotted. It
+    # is drawn before your data is plotted and serves to mark where the axes of
+    # your plot will be and to give an indication of scale.
+    #
     class Grid
 
       attr_accessor :width, :height, :point, :spacing, :document
 
       def initialize(grid_x_start, grid_y_start, grid_width, grid_height, spacing, document)