Improve wording of `manual_contains` docs

This is mainly to avoid the phrase "more fast" since that is not idiomatic English

1 files changed, 1 insertions, 1 deletions

diff --git a/clippy_lints/src/methods/mod.rs b/clippy_lints/src/methods/mod.rs
index c507407d85c..bc159206985 100644
--- a/clippy_lints/src/methods/mod.rs
+++ b/clippy_lints/src/methods/mod.rs
@@ -4439,7 +4439,7 @@ declare_clippy_lint! {
     /// Checks for usage of `iter().any()` on slices when it can be replaced with `contains()` and suggests doing so.
     ///
     /// ### Why is this bad?
-    /// `contains()` is more concise and idiomatic, sometimes more fast.
+    /// `contains()` is more concise and idiomatic, while also being faster in some cases.
     ///
     /// ### Example
     /// ```no_run