docs: update comments

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Author: kgryte

lib/node_modules/@stdlib/complex/float32/base/mul/README.md

@@ -133,7 +133,7 @@ var mul = require( '@stdlib/complex/float32/base/mul' );
 var z1 = new Complex64Array( discreteUniform( 200, -50, 50 ) );
 var z2 = new Complex64Array( discreteUniform( 200, -50, 50 ) );
 
-// Perform multiplication on each element of arrays:
+// Perform element-wise multiplication:
 logEachMap( '(%s) * (%s) = %s', z1, z2, mul );
 ```
 

lib/node_modules/@stdlib/complex/float32/base/mul/examples/index.js

@@ -27,5 +27,5 @@ var mul = require( './../lib' );
 var z1 = new Complex64Array( discreteUniform( 200, -50, 50 ) );
 var z2 = new Complex64Array( discreteUniform( 200, -50, 50 ) );
 
-// Scale each by a scalar constant:
+// Perform element-wise multiplication:
 logEachMap( '(%s) * (%s) = %s', z1, z2, mul );