diff --git a/lib/node_modules/@stdlib/array/base/take-map/benchmark/benchmark.assign.length.js b/lib/node_modules/@stdlib/array/base/take-map/benchmark/benchmark.assign.length.js
index 5f150f679fd5..00021003d97d 100644
--- a/lib/node_modules/@stdlib/array/base/take-map/benchmark/benchmark.assign.length.js
+++ b/lib/node_modules/@stdlib/array/base/take-map/benchmark/benchmark.assign.length.js
@@ -25,6 +25,7 @@ var pow = require( '@stdlib/math/base/special/pow' );
 var discreteUniform = require( '@stdlib/random/array/discrete-uniform' );
 var zeros = require( '@stdlib/array/zeros' );
 var isArray = require( '@stdlib/assert/is-array' );
+var format = require( '@stdlib/string/format' );
 var pkg = require( './../package.json' ).name;
 var takeMap = require( './../lib' );
 
@@ -102,7 +103,7 @@ function main() {
 	for ( i = min; i <= max; i++ ) {
 		len = pow( 10, i );
 		f = createBenchmark( len );
-		bench( pkg+':assign:len='+len, f );
+		bench( format( '%s:assign:len=%d', pkg, len ), f );
 	}
 }
 
diff --git a/lib/node_modules/@stdlib/array/base/take-map/benchmark/benchmark.js b/lib/node_modules/@stdlib/array/base/take-map/benchmark/benchmark.js
index e1fef30bd2e1..72b54cc9ae1d 100644
--- a/lib/node_modules/@stdlib/array/base/take-map/benchmark/benchmark.js
+++ b/lib/node_modules/@stdlib/array/base/take-map/benchmark/benchmark.js
@@ -23,13 +23,14 @@
 var bench = require( '@stdlib/bench' );
 var isArray = require( '@stdlib/assert/is-array' );
 var zeroTo = require( '@stdlib/array/base/zero-to' );
+var format = require( '@stdlib/string/format' );
 var pkg = require( './../package.json' ).name;
 var takeMap = require( './../lib' );
 
 
 // MAIN //
 
-bench( pkg+'::copy:len=100', function benchmark( b ) {
+bench( format( '%s::copy:len=%d', pkg, 100 ), function benchmark( b ) {
 	var x;
 	var i;
 	var v;
diff --git a/lib/node_modules/@stdlib/array/base/take-map/benchmark/benchmark.length.js b/lib/node_modules/@stdlib/array/base/take-map/benchmark/benchmark.length.js
index df46e8bd47f5..b27cc16d67b2 100644
--- a/lib/node_modules/@stdlib/array/base/take-map/benchmark/benchmark.length.js
+++ b/lib/node_modules/@stdlib/array/base/take-map/benchmark/benchmark.length.js
@@ -24,6 +24,7 @@ var bench = require( '@stdlib/bench' );
 var pow = require( '@stdlib/math/base/special/pow' );
 var discreteUniform = require( '@stdlib/random/array/discrete-uniform' );
 var isArray = require( '@stdlib/assert/is-array' );
+var format = require( '@stdlib/string/format' );
 var pkg = require( './../package.json' ).name;
 var takeMap = require( './../lib' );
 
@@ -95,7 +96,7 @@ function main() {
 	for ( i = min; i <= max; i++ ) {
 		len = pow( 10, i );
 		f = createBenchmark( len );
-		bench( pkg+':len='+len, f );
+		bench( format( '%s:len=%d', pkg, len ), f );
 	}
 }