Fix typo

Co-authored-by: Hamir Mahal <[email protected]>

Author: y21

clippy_lints/src/unconditional_recursion.rs

@@ -24,7 +24,7 @@ declare_clippy_lint! {
     /// implementations.
     ///
     /// ### Why is this bad?
-    /// This is a hard to find infinite recursion which will crash any code
+    /// This is a hard to find infinite recursion that will crash any code.
     /// using it.
     ///
     /// ### Example