1 files changed, 4 insertions, 0 deletions
diff --git a/HACKING b/HACKING
index e3153cc01..7ab4e7f25 100644
--- a/HACKING
+++ b/HACKING
@@ -223,6 +223,10 @@
   running "make fetch".  In case any file in the automake repository
   has been updated, commit and re-run the testsuite.
 
+* Ensure that the copyright notices of the distributed files is up to
+  date.  The maintainer-only target "update-copyright" can help with
+  this.
+
 * Update NEWS.
 
 * Update the version number in configure.ac.