address commit comments for commit 1871022

Author: devshree-bhati

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

@@ -213,7 +213,7 @@ int main( void ) {
     int i;
 
     for ( i = 0; i < 25; i++ ) {
-        sigma = random_uniform( -5.0, 5.0 );
+        sigma = random_uniform( 0.1, 5.0 );
         mu = random_uniform( 0.0, 20.0 );
         y = stdlib_base_dists_lognormal_kurtosis( mu, sigma );
         printf( "µ: %lf, σ: %lf, Kurt(X;µ,σ): %lf\n", mu, sigma, y );