docs: update copy

Signed-off-by: Athan <[email protected]>

Author: kgryte

lib/node_modules/@stdlib/stats/base/nanvariancepn/README.md

@@ -100,7 +100,7 @@ var nanvariancepn = require( '@stdlib/stats/base/nanvariancepn' );
 
 #### nanvariancepn( N, correction, x, strideX )
 
-Computes the [variance][variance] of a strided array `x` ignoring `NaN` values and using a two-pass algorithm.
+Computes the [variance][variance] of a strided array ignoring `NaN` values and using a two-pass algorithm.
 
 ```javascript
 var x = [ 1.0, -2.0, NaN, 2.0 ];