From d127a1647efbc41da7219607dbf02dfc79363a8f Mon Sep 17 00:00:00 2001
From: David Crawshaw <crawshaw@tailscale.com>
Date: Tue, 31 Mar 2020 21:28:56 +1100
Subject: wgcfg: improve SymmetricKey docs

Signed-off-by: David Crawshaw <crawshaw@tailscale.com>
---
 wgcfg/key.go | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/wgcfg/key.go b/wgcfg/key.go
index 1597203..cdbbeea 100644
--- a/wgcfg/key.go
+++ b/wgcfg/key.go
@@ -229,8 +229,7 @@ func ParseSymmetricHexKey(s string) (SymmetricKey, error) {
 	return key, nil
 }
 
-// SymmetricKey is a chacha20poly1305 key.
-// It is used by WireGuard to represent pre-shared symmetric keys.
+// SymmetricKey is a 32-byte value used as a pre-shared key.
 type SymmetricKey [chacha20poly1305.KeySize]byte
 
 func (k SymmetricKey) Base64() string             { return base64.StdEncoding.EncodeToString(k[:]) }
-- 
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