diff --git a/lib/node_modules/@stdlib/array/base/flatten4d-by/README.md b/lib/node_modules/@stdlib/array/base/flatten4d-by/README.md
index 6aa2e2e7acb..afb799faf9b 100644
--- a/lib/node_modules/@stdlib/array/base/flatten4d-by/README.md
+++ b/lib/node_modules/@stdlib/array/base/flatten4d-by/README.md
@@ -96,13 +96,13 @@ function scale( v ) {
 var x = [ [ [ [ 1, 2 ] ] ], [ [ [ 3, 4 ] ] ] ];
 var out = new Float64Array( 4 );
 
-var y = flatten4dBy.assign( x, [ 2, 1, 1, 2 ], false, out, 1, 0 );
+var y = flatten4dBy.assign( x, [ 2, 1, 1, 2 ], false, out, 1, 0, scale );
 // returns <Float64Array>[ 2, 4, 6, 8 ]
 
 var bool = ( y === out );
 // returns true
 
-y = flatten4dBy.assign( x, [ 2, 1, 1, 2 ], true, out, 1, 0 );
+y = flatten4dBy.assign( x, [ 2, 1, 1, 2 ], true, out, 1, 0, scale );
 // returns <Float64Array>[ 2, 6, 4, 8 ]
 ```