[doc] updated the readme

1 files changed, 1 insertions, 2 deletions

diff --git a/README.org b/README.org
index 1bb649b..437d5a1 100644
--- a/README.org
+++ b/README.org
@@ -140,13 +140,13 @@ More specifically, you can use the following accessor functions on them:
 
 There are a few convenience functions also defined that use the above functions under-the-hood. I'm not including them here because the API is still stabilizing. 
 
-
 The affine units are things like:
 
 + ~bitmap~: display an image that has been loaded from a file asset (currently only png is supported)
 + ~text~: display text
 + ~frameset~: display an animated sequence of images
 + ~sprite~: display a "bundle" of framesets
++ ~canvas~: display a region of mutable pixels
 
 *** Events & Event Handling
 
@@ -258,7 +258,6 @@ Likewise you can drop an event handler
 If ~handler-or-event-type~ is an event handler instance, it is removed if present. If ~handler-or-event-type~ is symbol whose ~symbol-name~ is the name of an event (e.g. ~:mousedown~ or ~'perframe~), then all handlers of that type are removed from the unit.
 
 
-
 *** The Asset Protocol 
 
 Assets are resources loaded from disk.   The application's ~asset-classifiers~ list associates file extensions (like "ttf", and "png") with classes (like ~font~ and ~png~) that load and prepare assets for use in an application.