then, you also have to put in a third type of resource -- a memory definition.
The value of <tt/icon/ is a quoted file-name. The first 63 bytes of this file
are expected to represent a standard monochrome VIC sprite. The file gets accessed
-when the generated assembly source is be processed by <bf/ca65/. Examples for
+when the generated assembly source is being processed by <bf/ca65/. Examples for
programs generating such files are <em/Sprite Painter/ and <em/SpritePad/. The
default <tt/icon/ is an empty frame internally represented in the generated assembly
file.