docs: correct return annotation

Author: gunjjoshi

lib/node_modules/@stdlib/_tools/scaffold/math-strided-real-typed-unary/scripts/runner.js

@@ -164,7 +164,7 @@ function valuesEnvVar( values, dtype ) {
 * };
 *
 * var s = prngEnvVars( o );
-* // returns 'BASE_PRNG=\'uniform\',RAND_MIN=-100,RAND_MAX=100'
+* // returns 'BASE_PRNG=\'uniform\' RAND_MIN=-100 RAND_MAX=100'
 */
 function prngEnvVars( obj ) {
 	var base;