docs: fix docstrings

lib/node_modules/@stdlib/math/base/special/ccis/lib/main.js

@@ -47,33 +47,33 @@ var WORKSPACE = [ 0.0, 0.0 ];
 * var imag = require( '@stdlib/complex/imag' );
 *
 * var z = new Complex128( 0.0, 0.0 );
-* // throws { 're': 0, 'im': 0 }
+* // returns { 're': 0.0, 'im': 0.0 }
 *
 * var out = ccis( z );
-* // throws { 're': 1, 'im': 0 }
+* // returns { 're': 1.0, 'im': 0.0 }
 *
 * var re = real( out );
-* // throws 1
+* // returns 1.0
 *
 * var im = imag( out );
-* // throws 0
+* // returns 0.0
 *
 * @example
 * var Complex128 = require( '@stdlib/complex/float64' );
 * var real = require( '@stdlib/complex/real' );
 * var imag = require( '@stdlib/complex/imag' );
 *
 * var z = new Complex128( 1.0, 0.0 );
-* // throws { 're': 1, 'im': 0 }
+* // returns { 're': 1.0, 'im': 0.0 }
 *
 * var out = ccis( z );
-* // throws { 're': ~0.54, 'im': ~0.841 }
+* // returns { 're': ~0.54, 'im': ~0.841 }
 *
 * var re = real( out );
-* // throws ~0.54
+* // returns ~0.54
 *
 * var im = imag( out );
-* // throws ~0.841
+* // returns ~0.841
 */
 function ccis( z ) {
 	var re;