diff --git a/lib/node_modules/@stdlib/plot/sparklines/unicode/line/benchmark/benchmark.js b/lib/node_modules/@stdlib/plot/sparklines/unicode/line/benchmark/benchmark.js
index 3257d1bb86af..bdb031a7c411 100644
--- a/lib/node_modules/@stdlib/plot/sparklines/unicode/line/benchmark/benchmark.js
+++ b/lib/node_modules/@stdlib/plot/sparklines/unicode/line/benchmark/benchmark.js
@@ -24,13 +24,14 @@ var bench = require( '@stdlib/bench' );
 var noop = require( '@stdlib/utils/noop' );
 var randu = require( '@stdlib/random/base/randu' );
 var isArray = require( '@stdlib/assert/is-array' );
+var format = require( '@stdlib/string/format' );
 var pkg = require( './../package.json' ).name;
 var LineChart = require( './../lib' );
 
 
 // MAIN //
 
-bench( pkg+'::instantiation', function benchmark( b ) {
+bench( format( '%s::instantiation', pkg ), function benchmark( b ) {
 	var v;
 	var i;
 	b.tic();
@@ -48,7 +49,7 @@ bench( pkg+'::instantiation', function benchmark( b ) {
 	b.end();
 });
 
-bench( pkg+'::instantiation,no_new', function benchmark( b ) {
+bench( format( '%s::instantiation,no_new', pkg ), function benchmark( b ) {
 	var ctor;
 	var v;
 	var i;
@@ -70,7 +71,7 @@ bench( pkg+'::instantiation,no_new', function benchmark( b ) {
 	b.end();
 });
 
-bench( pkg+'::instantiation,options', function benchmark( b ) {
+bench( format( '%s::instantiation,options', pkg ), function benchmark( b ) {
 	var opts;
 	var v;
 	var i;
@@ -101,7 +102,7 @@ bench( pkg+'::instantiation,options', function benchmark( b ) {
 	b.end();
 });
 
-bench( pkg+'::instantiation,data', function benchmark( b ) {
+bench( format( '%s::instantiation,data', pkg ), function benchmark( b ) {
 	var v;
 	var i;
 
@@ -120,7 +121,7 @@ bench( pkg+'::instantiation,data', function benchmark( b ) {
 	b.end();
 });
 
-bench( pkg+'::instantiation,data,options', function benchmark( b ) {
+bench( format( '%s::instantiation,data,options', pkg ), function benchmark( b ) {
 	var opts;
 	var v;
 	var i;
@@ -150,7 +151,7 @@ bench( pkg+'::instantiation,data,options', function benchmark( b ) {
 	b.end();
 });
 
-bench( pkg+'::set,get:autoRender', function benchmark( b ) {
+bench( format( '%s::set,get:autoRender', pkg ), function benchmark( b ) {
 	var bool;
 	var v;
 	var i;
@@ -172,7 +173,7 @@ bench( pkg+'::set,get:autoRender', function benchmark( b ) {
 	b.end();
 });
 
-bench( pkg+'::set,get:bufferSize', function benchmark( b ) {
+bench( format( '%s::set,get:bufferSize', pkg ), function benchmark( b ) {
 	var values;
 	var v;
 	var i;
@@ -199,7 +200,7 @@ bench( pkg+'::set,get:bufferSize', function benchmark( b ) {
 	b.end();
 });
 
-bench( pkg+'::set,get:data', function benchmark( b ) {
+bench( format( '%s::set,get:data', pkg ), function benchmark( b ) {
 	var v;
 	var i;
 
@@ -220,7 +221,7 @@ bench( pkg+'::set,get:data', function benchmark( b ) {
 	b.end();
 });
 
-bench( pkg+'::set,get:description', function benchmark( b ) {
+bench( format( '%s::set,get:description', pkg ), function benchmark( b ) {
 	var values;
 	var v;
 	var i;
@@ -246,7 +247,7 @@ bench( pkg+'::set,get:description', function benchmark( b ) {
 	b.end();
 });
 
-bench( pkg+'::set,get:infinities', function benchmark( b ) {
+bench( format( '%s::set,get:infinities', pkg ), function benchmark( b ) {
 	var bool;
 	var v;
 	var i;
@@ -268,7 +269,7 @@ bench( pkg+'::set,get:infinities', function benchmark( b ) {
 	b.end();
 });
 
-bench( pkg+'::set,get:isDefined', function benchmark( b ) {
+bench( format( '%s::set,get:isDefined', pkg ), function benchmark( b ) {
 	var v;
 	var i;
 
@@ -296,7 +297,7 @@ bench( pkg+'::set,get:isDefined', function benchmark( b ) {
 	}
 });
 
-bench( pkg+'::set,get:label', function benchmark( b ) {
+bench( format( '%s::set,get:label', pkg ), function benchmark( b ) {
 	var values;
 	var v;
 	var i;
@@ -322,7 +323,7 @@ bench( pkg+'::set,get:label', function benchmark( b ) {
 	b.end();
 });
 
-bench( pkg+'::set,get:yMax', function benchmark( b ) {
+bench( format( '%s::set,get:yMax', pkg ), function benchmark( b ) {
 	var v;
 	var i;
 
@@ -343,7 +344,7 @@ bench( pkg+'::set,get:yMax', function benchmark( b ) {
 	b.end();
 });
 
-bench( pkg+'::set,get:yMin', function benchmark( b ) {
+bench( format( '%s::set,get:yMin', pkg ), function benchmark( b ) {
 	var v;
 	var i;
 
diff --git a/lib/node_modules/@stdlib/plot/sparklines/unicode/line/benchmark/benchmark.render.js b/lib/node_modules/@stdlib/plot/sparklines/unicode/line/benchmark/benchmark.render.js
index 46dc56ba1b7c..8a807361cb5e 100644
--- a/lib/node_modules/@stdlib/plot/sparklines/unicode/line/benchmark/benchmark.render.js
+++ b/lib/node_modules/@stdlib/plot/sparklines/unicode/line/benchmark/benchmark.render.js
@@ -24,6 +24,7 @@ var bench = require( '@stdlib/bench' );
 var randu = require( '@stdlib/random/base/randu' );
 var pow = require( '@stdlib/math/base/special/pow' );
 var Float64Array = require( '@stdlib/array/float64' );
+var format = require( '@stdlib/string/format' );
 var pkg = require( './../package.json' ).name;
 var LineChart = require( './../lib' );
 
@@ -101,7 +102,7 @@ function main() {
 			'bufferSize': len
 		});
 		f = createBenchmark( len, chart );
-		bench( pkg+':render:len='+len, f );
+		bench( format( '%s:render:len=%d', pkg, len ), f );
 
 		chart = new LineChart({
 			'bufferSize': len,
@@ -109,7 +110,7 @@ function main() {
 			'yMax': 1.0
 		});
 		f = createBenchmark( len, chart );
-		bench( pkg+'::ymin,ymax:render:len='+len, f );
+		bench( format( '%s::ymin,ymax:render:len=%d', pkg, len ), f );
 	}
 }