bench: fix description

Signed-off-by: Athan <[email protected]>

Author: kgryte

lib/node_modules/@stdlib/lapack/base/dladiv/benchmark/benchmark.ndarray.js

@@ -37,7 +37,7 @@ var options = {
 
 // MAIN //
 
-bench( pkg+'::ndarray', function benchmark( b ) {
+bench( pkg+':ndarray', function benchmark( b ) {
 	var re;
 	var im;
 	var N;