Fix spelling and grammar

Author: RuairidhWilliamson

clippy_lints/src/anon_trait_imports.rs

@@ -17,8 +17,8 @@ declare_clippy_lint! {
     /// Checks for `use Trait` where the Trait is only used for its methods and not referenced by a path directly.
     ///
     /// ### Why is this bad?
-    /// Traits imported that aren't used directly can be imported anonymously `use Trait as _`.
-    /// It is more explicit, avoids polutting the current scope with unused names and can be useful to show which imports are required for traits.
+    /// Traits imported that aren't used directly can be imported anonymously with `use Trait as _`.
+    /// It is more explicit, avoids polluting the current scope with unused names and can be useful to show which imports are required for traits.
     ///
     /// ### Example
     /// ```no_run