style: remove extra space

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

Author: Planeshifter

lib/node_modules/@stdlib/stats/base/dists/betaprime/pdf/README.md

@@ -187,7 +187,7 @@ for ( i = 0; i < 10; i++ ) {
 
 #### stdlib_base_dists_betaprime_pdf( x, alpha, beta )
 
-Evaluates the [probability density function][pdf] (PDF) for a [beta prime][betaprime-distribution]  distribution with parameters `alpha` (first shape parameter) and `beta` (second shape parameter).
+Evaluates the [probability density function][pdf] (PDF) for a [beta prime][betaprime-distribution] distribution with parameters `alpha` (first shape parameter) and `beta` (second shape parameter).
 
 ```c
 double y = stdlib_base_dists_betaprime_pdf( 0.5, 1.0, 1.0 );