1 files changed, 1 insertions, 1 deletions
diff --git a/HACKING b/HACKING
index 82b77ed54..5f8644e71 100644
--- a/HACKING
+++ b/HACKING
@@ -431,7 +431,7 @@
   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
+* Ensure that the copyright notices of the distributed files are up to
   date.  The maintainer-only target "update-copyright" can help with
   this.