feat(t-median): fixing readme

Author: Aadish Jain

lib/node_modules/@stdlib/stats/base/dists/t/median/README.md

@@ -142,7 +142,7 @@ for ( i = 0; i < 10; i++ ) {
 
 #### stdlib_base_dists_t_median( v )
 
-Evaluates the median for a Student's t-distribution.
+Returns the [median][median] of a [Student's t][t-distribution] distribution with degrees of freedom `v`.
 
 ```c
 double out = stdlib_base_dists_t_median( 5.0 );
@@ -151,7 +151,7 @@ double out = stdlib_base_dists_t_median( 5.0 );
 
 The function accepts the following arguments:
 
--   **v**: `[in] double` input value.
+-   **v**: `[in] double` degrees of freedom.
 
 ```c
 double stdlib_base_dists_t_median( const double v );