build: Fix typo in comment.

* check-copyright-headers: Fix typo in comment.

diff --git a/check-copyright-headers b/check-copyright-headers
index 7cbc65f5634c9354457191e33234312d8d3af891..a87afc59784c1991fd5c68e246269b013af54dda 100755 (executable)
--- a/check-copyright-headers
+++ b/check-copyright-headers
@@ -58,12 +58,11 @@
 # The latter categories are not valuable enough to warrant sueing
 # infringers.
 #
-# Not all files files qualify for a copyright header.  Namely, since
-# copyright applies to the expression of an idea (think roughly of the
-# program as an art work), it makes no sense to attach a copyright header
-# to a file which different programmers would write in the same way.
-# This includes tiny files, as well as files that contain only machine-
-# generated data.
+# Not all files qualify for a copyright header.  Namely, since copyright
+# applies to the expression of an idea (think roughly of the program as
+# an art work), it makes no sense to attach a copyright header to a file
+# which different programmers would write in the same way.  This includes
+# tiny files, as well as files that contain only machine-generated data.
 
 # Usage: check-copyright-headers UNPACKED-GETTEXT-TARBALL