Auto merge of rust-lang#8085 - jqnatividad:8084-needless_lifetimes_typo, r=giraffate

`needless_lifetimes` Known problems typo

fixes rust-lang#8084

[needless_lifetimes]

changelog: none

Author: bors

clippy_lints/src/lifetimes.rs

@@ -29,7 +29,7 @@ declare_clippy_lint! {
     ///
     /// ### Known problems
     /// - We bail out if the function has a `where` clause where lifetimes
-    /// are mentioned due to potenial false positives.
+    /// are mentioned due to potential false positives.
     /// - Lifetime bounds such as `impl Foo + 'a` and `T: 'a` must be elided with the
     /// placeholder notation `'_` because the fully elided notation leaves the type bound to `'static`.
     ///