diff --git a/lib/node_modules/@stdlib/_tools/pkgs/dep-list/lib/main.js b/lib/node_modules/@stdlib/_tools/pkgs/dep-list/lib/main.js
index 0a9b74289f30..dc20eed32a54 100644
--- a/lib/node_modules/@stdlib/_tools/pkgs/dep-list/lib/main.js
+++ b/lib/node_modules/@stdlib/_tools/pkgs/dep-list/lib/main.js
@@ -59,6 +59,8 @@ function ascending( a, b ) {
 * @param {boolean} [options.dev=false] - boolean indicating whether to return development dependencies
 * @param {boolean} [options.manifest=true] - boolean indicating whether to return dependencies from `manifest.json` files
 * @throws {TypeError} first argument must be a string
+* @throws {TypeError} options argument must be an object
+* @throws {TypeError} must provide valid options
 * @returns {(StringArray|EmptyArray)} dependencies
 *
 * @example
diff --git a/lib/node_modules/@stdlib/_tools/pkgs/installed/lib/main.js b/lib/node_modules/@stdlib/_tools/pkgs/installed/lib/main.js
index ea06fdf525ef..db48af0e4ab8 100644
--- a/lib/node_modules/@stdlib/_tools/pkgs/installed/lib/main.js
+++ b/lib/node_modules/@stdlib/_tools/pkgs/installed/lib/main.js
@@ -44,7 +44,7 @@ var debug = createDebug( 'installed-pkgs:main' );
 /**
 * Generates a list of installed package dependencies.
 *
-* @param {Options} options - function options
+* @param {Options} [options] - function options
 * @param {string} [options.dir] - root directory from which to search
 * @param {NonNegativeInteger} [options.depth] - search depth
 * @param {boolean} [options.dev=true] - boolean indicating whether to include dev dependencies
diff --git a/lib/node_modules/@stdlib/_tools/pkgs/namespace-deps/lib/main.js b/lib/node_modules/@stdlib/_tools/pkgs/namespace-deps/lib/main.js
index dae022d0730d..7319227d5b47 100644
--- a/lib/node_modules/@stdlib/_tools/pkgs/namespace-deps/lib/main.js
+++ b/lib/node_modules/@stdlib/_tools/pkgs/namespace-deps/lib/main.js
@@ -56,9 +56,11 @@ function ascending( a, b ) {
 *
 * @param {string} pkg - package
 * @param {Options} [options] - function options
-* @param {string} [options.dev=false] - boolean indicating whether to return development dependencies
-* @param {number} [options.level=1] - dependency level
+* @param {boolean} [options.dev=false] - boolean indicating whether to return development dependencies
+* @param {PositiveInteger} [options.level=1] - dependency level
 * @throws {TypeError} first argument must be a string
+* @throws {TypeError} options argument must be an object
+* @throws {TypeError} must provide valid options
 * @returns {(StringArray|EmptyArray)} dependencies
 *
 * @example