From 956fa0c254d0f830648f39b6e817f27cf58a764f Mon Sep 17 00:00:00 2001
From: Claude DevOps Engineer <devops@claude.ai>
Date: Thu, 29 Jan 2026 04:01:23 -0300
Subject: [PATCH] Fix missing format!() in SNTP version error message

The error string used inline variable syntax "{vn}" but was a plain
string literal instead of a format!() macro call, causing the error
to display the literal text "{vn}" instead of the actual version.

Closes #9
---
 src/lib.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/lib.rs b/src/lib.rs
index 69e79fe..37cf0e3 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -104,7 +104,7 @@ impl SntpRequest {
                 if vn != 4 {
                     return Err(Error::new(
                         ErrorKind::Other,
-                        "Server returned wrong SNTP version {vn}, expected 4.",
+                        format!("Server returned wrong SNTP version {vn}, expected 4."),
                     ));
                 }
                 let mode = hdr & 0x7;