From 952a4365ce1e5dfba2dc34efc8c231a24a67de68 Mon Sep 17 00:00:00 2001
From: Atlas Kerr <atlaskerr@gmail.com>
Date: Sat, 15 Sep 2018 18:51:53 -0500
Subject: [PATCH] Documentation: Annotate --logger flag

This commit annotates the `--logger` flag to let users know that it is
not available in versions 3.3.x or later.
---
 Documentation/op-guide/configuration.md | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Documentation/op-guide/configuration.md b/Documentation/op-guide/configuration.md
index d3d81f010..a7caf7adf 100644
--- a/Documentation/op-guide/configuration.md
+++ b/Documentation/op-guide/configuration.md
@@ -313,6 +313,9 @@ The security flags help to [build a secure etcd cluster][security].
 ## Logging flags
 
 ### --logger
+
+**Available from v3.4**
+
 + Specify 'zap' for structured logging or 'capnslog'.
 + default: capnslog
 + env variable: ETCD_LOGGER