chore: apply suggestions from code review

Signed-off-by: Philipp Burckhardt <[email protected]>

Author: Planeshifter

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

@@ -167,7 +167,7 @@ for ( i = 0; i < 10; i++ ) {
 
 #### stdlib_base_dists_cauchy_cdf( x, x0, gamma )
 
-Evaluates the cumulative distribution function (CDF) for a Cauchy distribution.
+Evaluates the [cumulative distribution function][cdf] (CDF) for a [Cauchy][cauchy-distribution] distribution with parameters `x0` (location parameter) and `gamma > 0` (scale parameter).
 
 ```c
 double out = stdlib_base_dists_cauchy_cdf( 0.5, 0.0, 2.0 );

lib/node_modules/@stdlib/stats/base/dists/cauchy/cdf/src/main.c

@@ -20,7 +20,7 @@
 #include "stdlib/math/base/assert/is_nan.h"
 #include "stdlib/math/base/special/atan2.h"
 
-const double ONE_OVER_PI = 0.3183098861837907;
+static const double ONE_OVER_PI = 0.3183098861837907;
 
 /**
 * Evaluates the cumulative distribution function (CDF) for a Cauchy distribution with location parameter `x0` and scale parameter `gamma` at a value `x`.