788b35e3d783

--- a/README.markdown	Sat Oct 09 12:26:18 2010 -0400
+++ b/README.markdown	Sat Oct 09 12:27:34 2010 -0400
@@ -24,12 +24,12 @@
 Usage
 -----
 
-When you're editing a file you can bring up the undo graph with `<F5>` (or
-whatever key you mapped it to).
+When you're editing a file you can bring up the undo graph for that file with
+`<F5>` (or whatever key you mapped it to).
 
-Press `<F5>` again to close the undo tree and return to your file.
+Press `<F5>` again to close the undo graph and return to your file.
 
-Use `j` and `k` to move up and down the tree. The preview pane will update with
+Use `j` and `k` to move up and down the graph. The preview pane will update with
 a diff of the change made by the undo state you're currently on.
 
 Press return to revert the file's contents to that undo state and return to the