diff --git a/man3/malloc.3 b/man3/malloc.3
index b559687de..1e8a76e2e 100644
--- a/man3/malloc.3
+++ b/man3/malloc.3
@@ -389,3 +389,7 @@ for details.
 .BR mcheck (3),
 .BR mtrace (3),
 .BR posix_memalign (3)
+.PP
+For details of the GNU C library implementation, see
+.UR https://sourceware.org/glibc/wiki/MallocInternals
+.UE .