diff --git a/lib/factory.js b/lib/factory.js
index a6e862c..bb39a3d 100644
--- a/lib/factory.js
+++ b/lib/factory.js
@@ -22,7 +22,7 @@
 
 var isFunctionArray = require( '@stdlib/assert-is-function-array' );
 var isFunction = require( '@stdlib/assert-is-function' );
-var format = require( '@stdlib/string-format' );
+var format = require( '@stdlib/error-tools-fmtprodmsg' );
 
 
 // MAIN //
@@ -65,10 +65,10 @@ var format = require( '@stdlib/string-format' );
 */
 function factory( fcns, clbk, thisArg ) {
 	if ( !isFunctionArray( fcns ) ) {
-		throw new TypeError( format( 'invalid argument. First argument must be an array of functions. Value: `%s`.', fcns ) );
+		throw new TypeError( format( '1RdAl', fcns ) );
 	}
 	if ( !isFunction( clbk ) ) {
-		throw new TypeError( format( 'invalid argument. Second argument must be a function. Value: `%s`.', clbk ) );
+		throw new TypeError( format( '1Rd2H', clbk ) );
 	}
 	return waterfall;
 
diff --git a/package.json b/package.json
index e9faec2..0b26368 100644
--- a/package.json
+++ b/package.json
@@ -37,7 +37,7 @@
   "dependencies": {
     "@stdlib/assert-is-function": "^0.2.2",
     "@stdlib/assert-is-function-array": "^0.2.2",
-    "@stdlib/string-format": "^0.2.2",
+    "@stdlib/error-tools-fmtprodmsg": "^0.2.2",
     "@stdlib/utils-define-nonenumerable-read-only-property": "^0.2.2",
     "@stdlib/error-tools-fmtprodmsg": "^0.2.2"
   },