diff --git a/time.spec b/time.spec
index d37cd22..97172df 100644
--- a/time.spec
+++ b/time.spec
@@ -35,7 +35,8 @@ Patch0:     time-1.8-Recompute-CPU-usage-at-microsecond-level.patch
 # Fix measuring time when a clock experiences a jump, bug #1004416,
 # <http://lists.gnu.org/archive/html/bug-gnu-utils/2013-09/msg00003.html>
 Patch1:     time-1.8-Prefer-clock_gettime-CLOCK_MONOTONIC.patch
-# Do not print command failure in POSIX mode
+# Do not print command failure in POSIX mode,
+# <http://lists.gnu.org/archive/html/bug-gnu-utils/2017-11/msg00000.html>
 Patch2:     time-1.8-Do-not-report-command-failure-in-POSIX-mode.patch
 BuildRequires:  autoconf
 BuildRequires:  automake