This is about picodvi not rgbmatrix

There might be another way or other place where the documentation does not match the code.
But this is the most obvious, that's why I found it.

ports/raspberrypi/bindings/picodvi/Framebuffer.c

@@ -142,7 +142,7 @@ STATIC mp_obj_t picodvi_framebuffer_make_new(const mp_obj_type_t *type, size_t n
 
 //|     def deinit(self) -> None:
 //|         """Free the resources (pins, timers, etc.) associated with this
-//|         rgbmatrix instance.  After deinitialization, no further operations
+//|         picodvi instance.  After deinitialization, no further operations
 //|         may be performed."""
 //|         ...
 STATIC mp_obj_t picodvi_framebuffer_deinit(mp_obj_t self_in) {