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-rw-r--r--library/alloc/src/vec/mod.rs3
1 files changed, 2 insertions, 1 deletions
diff --git a/library/alloc/src/vec/mod.rs b/library/alloc/src/vec/mod.rs
index 6c238fd2d0c..2bf25b3e01c 100644
--- a/library/alloc/src/vec/mod.rs
+++ b/library/alloc/src/vec/mod.rs
@@ -1249,7 +1249,8 @@ impl<T, A: Allocator> Vec<T, A> {
     ///     let _ = ptr1.read();
     ///     let ptr2 = v.as_mut_ptr().offset(2);
     ///     ptr2.write(2);
-    ///     // Notably, the write to `ptr2` did *not* invalidate `ptr1`:
+    ///     // Notably, the write to `ptr2` did *not* invalidate `ptr1`
+    ///     // because it mutated a different element:
     ///     let _ = ptr1.read();
     /// }
     /// ```