refactor: add private label to phi2.js

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Author: anandkaranubc

lib/node_modules/@stdlib/stats/base/dists/triangular/mgf/lib/phi2.js

@@ -28,16 +28,9 @@ var expm1 = require( '@stdlib/math/base/special/expm1' );
 /**
 * Helper function for repeated computation in the MGF formula.
 *
+* @private
 * @param {number} x - input value
 * @returns {number} evaluated result
-*
-* @example
-* var y = phi2( 0.0 );
-* // returns 1.0
-*
-* @example
-* var y = phi2( 1.0 );
-* // returns ~1.437
 */
 function phi2( x ) {
 	if ( x === 0.0 ) {