fix: README.d

Signed-off-by: Shabareesh Shetty <[email protected]>

Author: ShabiShett07

lib/node_modules/@stdlib/stats/base/dists/kumaraswamy/kurtosis/README.md

@@ -186,7 +186,7 @@ for ( i = 0; i < 10; i++ ) {
 
 #### stdlib_base_dists_kumaraswamy_kurtosis( a, b )
 
-Returns the standard deviation of a Kumaraswamy's double bounded distribution.
+Returns the [excess kurtosis][kurtosis] of a [Kumaraswamy's double bounded][kumaraswamy-distribution] distribution with first shape parameter `a` and second shape parameter `b`.
 
 ```c
 double v = stdlib_base_dists_kumaraswamy_kurtosis( 0.5, 1.0 );
@@ -237,10 +237,10 @@ int main( void ) {
     int i;
 
     for ( i = 0; i < 25; i++ ) {
-        a = random_uniform( 0.0, 10.0 ) - 5.0;
-        b = random_uniform( 0.0, 20.0 );
+        a = rand() * 10;
+        b = rand() * 10;
         y = stdlib_base_dists_kumaraswamy_kurtosis( a, b );
-        printf( "a: %lf, b: %lf, Std(X;a,b): %lf\n", a, b, y );
+        printf( "a: %lf, b: %lf, Kurt(X;a,b): %lf\n", a, b, y );
     }
 }
 ```