chore: minor clean-up

Signed-off-by: Philipp Burckhardt <pburckhardt@outlook.com>

Author: Planeshifter

lib/node_modules/@stdlib/stats/base/ndarray/snanmskmidrange/README.md

@@ -38,7 +38,7 @@ The [**mid-range**][mid-range], or **mid-extreme**, is the arithmetic mean of th
 var snanmskmidrange = require( '@stdlib/stats/base/ndarray/snanmskmidrange' );
 ```
 
-### snanmskmidrange( arrays )
+#### snanmskmidrange( arrays )
 
 Computes the [mid-range][mid-range] of a one-dimensional single-precision floating-point ndarray according to a mask, ignoring `NaN` values.
 

lib/node_modules/@stdlib/stats/base/ndarray/snanmskmidrange/benchmark/benchmark.js

@@ -64,6 +64,13 @@ function createBenchmark( len ) {
 
 	return benchmark;
 
+
+	/**
+	* Benchmark function.
+	*
+	* @private
+	* @param {Benchmark} b - benchmark instance
+	*/
 	function benchmark( b ) {
 		var v;
 		var i;