Fix common misspellings

Fixes generated by 'codespell' and manually reviewed.

Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
diff --git a/Documentation/networking/can.txt b/Documentation/networking/can.txt
index 5b04b67..56ca3b7 100644
--- a/Documentation/networking/can.txt
+++ b/Documentation/networking/can.txt
@@ -240,7 +240,7 @@
   the user application using the common CAN filter mechanisms. Inside
   this filter definition the (interested) type of errors may be
   selected. The reception of error frames is disabled by default.
-  The format of the CAN error frame is briefly decribed in the Linux
+  The format of the CAN error frame is briefly described in the Linux
   header file "include/linux/can/error.h".
 
 4. How to use Socket CAN