chore: changes from code review

Author: Neerajpathak07

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

@@ -198,9 +198,9 @@ double y = stdlib_base_dists_erlang_mgf( 0.3, 1, 1.0 );
 
 The function accepts the following arguments:
 
--   **t**:      `[in] double` input value.
--   **k**:      `[in] double` shape parameter
--   **lambda**: `[in] double` rate parameter
+-   **t**: `[in] double` input value.
+-   **k**: `[in] double` shape parameter.
+-   **lambda**: `[in] double` rate parameter.
 
 ```c
 double stdlib_base_dists_erlang_mgf( const double t, const double k, const double lambda );

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

@@ -114,7 +114,7 @@ static double benchmark( void ) {
 
 	x = tic();
 	for ( i = 0; i < ITERATIONS; i++ ) {
-		y = stdlib_base_dists_erlang_mgf( t[ i%100 ], k[ i%100 ], lambda[ i%100 ] );
+		y = stdlib_base_dists_erlang_mgf( t[ i % 100 ], k[ i % 100 ], lambda[ i % 100 ] );
 		if ( y != y ) {
 			printf( "should not return NaN\n" );
 			break;

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

@@ -28,6 +28,7 @@ var addon = require( './../src/addon.node' );
 /**
 * Evaluates the moment-generating function (MGF) for an Erlang distribution with shape parameter `k` and rate parameter `lambda` at a value `t`.
 *
+* @private
 * @param {number} t - input value
 * @param {NonNegativeInteger} k - shape parameter
 * @param {PositiveNumber} lambda - rate parameter

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

@@ -26,31 +26,11 @@
 *
 * @param t    input value
 * @param p    success probability
-* @returns    evaluated MGF
+* @returns    moment-generating function
 *
 * @example
 * double y = stdlib_base_dists_erlang_mgf( 0.3, 1, 1.0 );
 * // returns ~1.429
-*
-* @example
-* double y = stdlib_base_dists_erlang_mgf( 2.0, 2, 3.0 );
-* // returns ~9.0
-*
-* @example
-* double y = stdlib_base_dists_erlang_mgf( -1.0, 2, 2.0 );
-* // returns ~0.444
-*
-* @example
-* double y = stdlib_base_dists_erlang_mgf( NaN, 1, 1.0 );
-* // returns NaN
-*
-* @example
-* double y = stdlib_base_dists_erlang_mgf( 0.0, NaN, 1.0 );
-* // returns NaN
-*
-* @example
-* double y = stdlib_base_dists_erlang_mgf( 0.0, 1, NaN );
-* // returns NaN
 */
 double stdlib_base_dists_erlang_mgf( const double t, const double k, const double lambda ) {
 	if (