diff --git a/man7/epoll.7 b/man7/epoll.7
index e6b163e53..37f76bdb6 100644
--- a/man7/epoll.7
+++ b/man7/epoll.7
@@ -504,6 +504,7 @@ The
 .B epoll
 API was introduced in Linux kernel 2.5.44.
 Its interface should be finalized in Linux kernel 2.5.66.
+Support was added to glibc in version 2.3.2.
 .SH CONFORMING TO
 The
 .B epoll