Fix typo for INVALID_NULL_PTR_USAGE and MISSING_INLINE_IN_PUBLIC_ITEMS.

Author: surechen

clippy_lints/src/missing_inline.rs

@@ -8,7 +8,7 @@ use rustc_span::sym;
 
 declare_clippy_lint! {
     /// ### What it does
-    /// it lints if an exported function, method, trait method with default impl,
+    /// It lints if an exported function, method, trait method with default impl,
     /// or trait method impl is not `#[inline]`.
     ///
     /// ### Why is this bad?

clippy_lints/src/ptr.rs

@@ -139,6 +139,7 @@ declare_clippy_lint! {
     /// unsafe { std::slice::from_raw_parts(ptr::null(), 0); }
     /// ```
     ///
+    /// ```ignore
     /// // Good
     /// unsafe { std::slice::from_raw_parts(NonNull::dangling().as_ptr(), 0); }
     /// ```