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-rw-r--r--src/tools/clippy/clippy_lints/src/loops/mod.rs3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/tools/clippy/clippy_lints/src/loops/mod.rs b/src/tools/clippy/clippy_lints/src/loops/mod.rs
index 8e52cac43..610a0233e 100644
--- a/src/tools/clippy/clippy_lints/src/loops/mod.rs
+++ b/src/tools/clippy/clippy_lints/src/loops/mod.rs
@@ -61,7 +61,8 @@ declare_clippy_lint! {
///
/// ### Why is this bad?
/// Just iterating the collection itself makes the intent
- /// more clear and is probably faster.
+ /// more clear and is probably faster because it eliminates
+ /// the bounds check that is done when indexing.
///
/// ### Example
/// ```rust