chore: changes from code review

Author: Neerajpathak07

lib/node_modules/@stdlib/stats/base/dists/erlang/kurtosis/README.md

@@ -178,8 +178,8 @@ double y = stdlib_base_dists_erlang_kurtosis( 1.0, 1.0 );
 
 The function accepts the following arguments:
 
--   **k**:      `[in] double` shape parameter
--   **lambda**: `[in] double` rate parameter
+-   **k**: `[in] double` shape parameter.
+-   **lambda**: `[in] double` rate parameter.
 
 ```c
 double stdlib_base_dists_erlang_kurtosis( const double k, const double lambda );

lib/node_modules/@stdlib/stats/base/dists/erlang/kurtosis/benchmark/c/benchmark.c

@@ -110,7 +110,7 @@ static double benchmark( void ) {
 
 	t = tic();
 	for ( i = 0; i < ITERATIONS; i++ ) {
-		y = stdlib_base_dists_erlang_kurtosis( k[ i%100 ], lambda[ i%100 ] );
+		y = stdlib_base_dists_erlang_kurtosis( k[ i % 100 ], lambda[ i % 100 ] );
 		if ( y != y ) {
 			printf( "should not return NaN\n" );
 			break;

lib/node_modules/@stdlib/stats/base/dists/erlang/kurtosis/lib/native.js

@@ -28,6 +28,7 @@ var addon = require( './../src/addon.node' );
 /**
 * Returns the excess kurtosis of an Erlang distribution.
 *
+* @private
 * @param {PositiveInteger} k - shape parameter
 * @param {PositiveNumber} lambda - rate parameter
 * @returns {NonNegativeNumber} excess kurtosis

lib/node_modules/@stdlib/stats/base/dists/erlang/kurtosis/src/main.c

@@ -30,30 +30,6 @@
 * @example
 * double y = stdlib_base_dists_beta_kurtosis( 1.0, 1.0 );
 * // returns ~6.0
-*
-* @example
-* double y = stdlib_base_dists_beta_kurtosis( 4.0, 12.0 );
-* // returns ~1.5
-*
-* @example
-* double y = stdlib_base_dists_beta_kurtosis( 8.0, 2.0 );
-* // returns ~0.75
-*
-* @example
-* double y = stdlib_base_dists_beta_kurtosis( 1.0, -0.1 );
-* // returns NaN
-*
-* @example
-* double y = stdlib_base_dists_beta_kurtosis( -0.1, 1.0 );
-* // returns NaN
-*
-* @example
-* double y = stdlib_base_dists_beta_kurtosis( 2.0, NaN );
-* // returns NaN
-*
-* @example
-* double y = stdlib_base_dists_beta_kurtosis( NaN, 2.0 );
-* // returns NaN
 */
 double stdlib_base_dists_erlang_kurtosis( const double k, const double lambda ) {
 	if (