Correct comment; -c is off by default.
diff --git a/Tools/scripts/fixcid.py b/Tools/scripts/fixcid.py
index 4c4d585..cf0ec16 100755
--- a/Tools/scripts/fixcid.py
+++ b/Tools/scripts/fixcid.py
@@ -4,7 +4,7 @@
# This actually tokenizes the files (to some extent) so it can
# avoid making substitutions inside strings or comments.
# Inside strings, substitutions are never made; inside comments,
-# it is a user option (on by default).
+# it is a user option (off by default).
#
# The substitutions are read from one or more files whose lines,
# when not empty, after stripping comments starting with #,