diff --git a/CREDITS b/CREDITS
index 626a79a89..8d0ce8fb8 100644
--- a/CREDITS
+++ b/CREDITS
@@ -611,4 +611,9 @@ I: 1480
 N: Ammar Askar
 E: ammar@ammaraskar.com
 W: http://ammaraskar.com/
-I: 604, 1484
\ No newline at end of file
+I: 604, 1484
+
+N: agnewee
+W: https://github.com/Agnewee
+C: China
+I: 1491
diff --git a/HISTORY.rst b/HISTORY.rst
index f2a0bd136..edc0e0e6a 100644
--- a/HISTORY.rst
+++ b/HISTORY.rst
@@ -37,6 +37,8 @@
   fixed read violation.  (patch by Samer Masterson)
 - 1486_: [AIX, SunOS] AttributeError when interacting with Process methods
   involved into oneshot() context.
+- 1491_: [SunOS] net_if_addrs(): free() ifap struct on error.  (patch by
+  Agnewee)
 
 5.6.1
 =====