Fix doc_markdown lints

clippy_lints/src/excessive_precision.rs

@@ -108,6 +108,7 @@ impl ExcessivePrecision {
     }
 }
 
+#[allow(clippy::doc_markdown)]
 /// Should we exclude the float because it has a `.0` or `.` suffix
 /// Ex 1_000_000_000.0
 /// Ex 1_000_000_000.

clippy_lints/src/map_unit_fn.rs

@@ -179,7 +179,7 @@ fn unit_closure<'a, 'tcx>(cx: &LateContext<'a, 'tcx>, expr: &'a hir::Expr) -> Op
     None
 }
 
-/// Builds a name for the let binding variable (var_arg)
+/// Builds a name for the let binding variable (`var_arg`)
 ///
 /// `x.field` => `x_field`
 /// `y` => `_y`