docs: fix offset parameter wording in blas/ext/base/*sort2* READMEs

PR-URL: #12229
Reviewed-by: Athan Reines <kgryte@gmail.com>

Author: Planeshifter

lib/node_modules/@stdlib/blas/ext/base/dsort2ins/README.md

@@ -122,7 +122,7 @@ The function has the following additional parameters:
 -   **offsetX**: `x` starting index.
 -   **offsetY**: `y` starting index.
 
-While [`typed array`][mdn-typed-array] views mandate a view offset based on the underlying `buffer`, the offset parameter supports indexing semantics based on a starting index. For example, to access only the last three elements of `x`
+While [`typed array`][mdn-typed-array] views mandate a view offset based on the underlying `buffer`, offset parameters support indexing semantics based on starting indices. For example, to access only the last three elements of `x`
 
 ```javascript
 var Float64Array = require( '@stdlib/array/float64' );

lib/node_modules/@stdlib/blas/ext/base/ssort2hp/README.md

@@ -122,7 +122,7 @@ The function has the following additional parameters:
 -   **offsetX**: `x` starting index.
 -   **offsetY**: `y` starting index.
 
-While [`typed array`][mdn-typed-array] views mandate a view offset based on the underlying `buffer`, the offset parameter supports indexing semantics based on a starting index. For example, to access only the last three elements of `x`
+While [`typed array`][mdn-typed-array] views mandate a view offset based on the underlying `buffer`, offset parameters support indexing semantics based on starting indices. For example, to access only the last three elements of `x`
 
 ```javascript
 var Float32Array = require( '@stdlib/array/float32' );

lib/node_modules/@stdlib/blas/ext/base/ssort2sh/README.md

@@ -122,7 +122,7 @@ The function has the following additional parameters:
 -   **offsetX**: `x` starting index.
 -   **offsetY**: `y` starting index.
 
-While [`typed array`][mdn-typed-array] views mandate a view offset based on the underlying `buffer`, the offset parameter supports indexing semantics based on a starting index. For example, to access only the last three elements of `x`
+While [`typed array`][mdn-typed-array] views mandate a view offset based on the underlying `buffer`, offset parameters support indexing semantics based on starting indices. For example, to access only the last three elements of `x`
 
 ```javascript
 var Float32Array = require( '@stdlib/array/float32' );