fix: add missing parameters and update description

Author: kgryte

lib/node_modules/@stdlib/blas/base/ssyr2/docs/types/index.d.ts

@@ -81,7 +81,7 @@ interface Routine {
 	* ssyr2.ndarray( 'upper', 3, 1.0, x, 1, 0, y, 1, 0, A, 3, 1, 0 );
 	* // A => <Float32Array>[ 3.0, 6.0, 9.0, 0.0, 9.0, 14.0, 0.0, 0.0, 19.0 ]
 	*/
-	ndarray( uplo: MatrixTriangle, N: number, alpha: number, x: Float32Array, strideX: number, offsetX: number, A: Float32Array, strideA1: number, strideA2: number, offsetA: number ): Float32Array;
+	ndarray( uplo: MatrixTriangle, N: number, alpha: number, x: Float32Array, strideX: number, offsetX: number, y: Float32Array, strideY: number, offsetY: number, A: Float32Array, strideA1: number, strideA2: number, offsetA: number ): Float32Array;
 }
 
 /**

lib/node_modules/@stdlib/blas/base/ssyr2/lib/ndarray.js

@@ -33,7 +33,7 @@ var base = require( './base.js' );
 * @param {string} uplo - specifies whether the upper or lower triangular part of the symmetric matrix `A` should be referenced
 * @param {NonNegativeInteger} N - number of elements along each dimension of `A`
 * @param {number} alpha - scalar
-* @param {Float32Array} x - input vector
+* @param {Float32Array} x - first input vector
 * @param {integer} strideX - `x` stride length
 * @param {NonNegativeInteger} offsetX - starting index for `x`
 * @param {Float32Array} y - second input vector