docs/pyb.CAN: Mark CAN.initfilterbanks() as classmethod explicitly.

8171995e · Paul Sokolovsky · e918fc5e · 8171995e
Commit 8171995e authored Jun 08, 2016 by Paul Sokolovsky
--- a/docs/library/pyb.CAN.rst
+++ b/docs/library/pyb.CAN.rst
@@ -36,7 +36,7 @@ Constructors

 Class Methods
 -------------
-.. method:: CAN.initfilterbanks(nr)
+.. classmethod:: CAN.initfilterbanks(nr)

   Reset and disable all filter banks and assign how many banks should be available for CAN(1).