Fix simple typo: overrided -> overridden

Closes #6877

scripts/cpp_lint.py

@@ -211,7 +211,7 @@
   'whitespace/todo'
   ]
 
-# The default state of the category filter. This is overrided by the --filter=
+# The default state of the category filter. This is overridden by the --filter=
 # flag. By default all errors are on, so only add here categories that should be
 # off by default (i.e., categories that must be enabled by the --filter= flags).
 # All entries here should start with a '-' or '+', as in the --filter= flag.