diff --git a/lib/node_modules/@stdlib/stats/base/dists/pareto-type1/mean/lib/native.js b/lib/node_modules/@stdlib/stats/base/dists/pareto-type1/mean/lib/native.js
index e4a393fb2518..f8573ae2256c 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/pareto-type1/mean/lib/native.js
+++ b/lib/node_modules/@stdlib/stats/base/dists/pareto-type1/mean/lib/native.js
@@ -29,9 +29,9 @@ var addon = require( './../src/addon.node' );
 * Returns the expected value for a Pareto Type I distribution with shape parameter `alpha` and scale parameter `beta`.
 *
 * @private
-* @param {number} alpha - shape parameter
-* @param {number} beta - scale parameter
-* @returns {number} expected value
+* @param {PositiveNumber} alpha - shape parameter
+* @param {PositiveNumber} beta - scale parameter
+* @returns {PositiveNumber} expected value
 *
 * @example
 * var y = mean( 2.0, 1.0 );