chore: update markdown description

Author: Neerajpathak07

lib/node_modules/@stdlib/stats/base/dists/degenerate/cdf/README.md

@@ -142,7 +142,7 @@ for ( i = 0; i < 100; i++ ) {
 
 #### stdlib_base_dists_degenerate_cdf( x, mu )
 
-Evaluates the CDF of a degenerate distribution centered at `mu`.
+Evaluates the [CDF][cdf] of a [degenerate distribution][degenerate-distribution] centered at `mu`.
 
 ```c
 double y = stdlib_base_dists_degenerate_cdf( 2.0, 3.0 );