From c1107459795ffb2e969486bb8231be3f08ce18cf Mon Sep 17 00:00:00 2001
From: Pratyoy Mukhopadhyay <35388175+pmmukh@users.noreply.github.com>
Date: Tue, 7 Sep 2021 13:15:33 -0700
Subject: [PATCH] Update kv input documentation with edge case (#12500)

---
 website/content/docs/commands/index.mdx | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/website/content/docs/commands/index.mdx b/website/content/docs/commands/index.mdx
index 526808e303..9927152503 100644
--- a/website/content/docs/commands/index.mdx
+++ b/website/content/docs/commands/index.mdx
@@ -172,6 +172,10 @@ Or specify the contents of a file as a value:
 $ vault kv put secret/password value=@data.txt
 ```
 
+Note that if an argument is supplied in a @key=value format, Vault will treat that as a 
+kv pair with the key being `@key`, not a file called `key=value`. This also means that Vault
+does not support filenames with `=` in them.
+
 ### Reading Data
 
 After data is persisted, read it back using `vault kv get`: