Apply suggestions from code review

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

Author: kgryte

lib/node_modules/@stdlib/blas/ext/base/gfind-index/README.md

@@ -45,7 +45,7 @@ var idx = gfindIndex( x.length, x, 1, isEven );
 // returns 3
 ```
 
-If the function is unable to find an element, the function returns `-1`.
+If no element passes a test implemented by a predicate function, the function returns `-1`.
 
 ```javascript
 function isEven( v ) {
@@ -94,7 +94,7 @@ var count = ctx.count;
 // returns 4
 ```
 
-The `N` and stride parameters determine which elements in the strided array are accessed at runtime. For example, to check every other element:
+The `N` and stride parameters determine which elements in the strided array are accessed at runtime. For example, to test every other element:
 
 ```javascript
 function isEven( v ) {
@@ -116,10 +116,10 @@ function isEven( v ) {
     return v % 2.0 === 0.0;
 }
 
-// Initial array...
+// Initial array:
 var x0 = new Float64Array( [ 1.0, 3.0, 4.0, -5.0, 7.0, 6.0 ] );
 
-// Create an offset view...
+// Create an offset view:
 var x1 = new Float64Array( x0.buffer, x0.BYTES_PER_ELEMENT*1 ); // start at 2nd element
 
 var idx = gfindIndex( 3, x1, 2, isEven );