chore: update markdown description

Author: Neerajpathak07

lib/node_modules/@stdlib/stats/base/dists/bernoulli/pmf/README.md

@@ -161,7 +161,7 @@ for ( i = 0; i < 10; i++ ) {
 
 #### stdlib_base_dists_bernoulli_pmf( x, p )
 
-Evaluates the probability mass function (PMF) for a Bernoulli distribution with success probability `0 <= p <= 1`.
+Returns a function for evaluating the [probability mass function][pmf] (PMF) of a [Bernoulli][bernoulli-distribution] distribution with success probability `0 <= p <= 1`.
 
 ```c
 double y = stdlib_base_dists_bernoulli_pmf( 0.5, 0.5 );