From 084e6e7320342b603834af97d4e1f521c249fc2f Mon Sep 17 00:00:00 2001
From: tinnamchoi <tinnam.choi@gmail.com>
Date: Wed, 20 Aug 2025 13:52:42 +0800
Subject: [PATCH] [std][BTree] Update doc-comment

---
 library/alloc/src/collections/btree/append.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/library/alloc/src/collections/btree/append.rs b/library/alloc/src/collections/btree/append.rs
index 3569e6551dc0..66ea22e75247 100644
--- a/library/alloc/src/collections/btree/append.rs
+++ b/library/alloc/src/collections/btree/append.rs
@@ -104,7 +104,7 @@ impl<K: Ord, V, I> Iterator for MergeIter<K, V, I>
 {
     type Item = (K, V);
 
-    /// If two keys are equal, returns the key-value pair from the right source.
+    /// If two keys are equal, returns the key from the left and the value from the right.
     fn next(&mut self) -> Option<(K, V)> {
         let (a_next, b_next) = self.0.nexts(|a: &(K, V), b: &(K, V)| K::cmp(&a.0, &b.0));
         match (a_next, b_next) {