docs: correct C return annotation in stats/base/dists/rayleigh/median

PR-URL: #11053

Reviewed-by: Philipp Burckhardt <pburckhardt@outlook.com>

Author: Om-A-osc

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

@@ -147,7 +147,7 @@ Returns the [median][median] of a [Rayleigh][rayleigh-distribution] distribution
 
 ```c
 double out = stdlib_base_dists_rayleigh_median( 9.0 );
-// returns ~10.595
+// returns ~10.597
 ```
 
 The function accepts the following arguments: