docs: update copy

Signed-off-by: Athan <kgryte@gmail.com>

Author: kgryte

lib/node_modules/@stdlib/number/float16/base/to-binary-string/README.md

@@ -18,7 +18,7 @@ limitations under the License.
 
 -->
 
-# To Binary String
+# toBinaryString
 
 > Return a string giving the literal bit representation of a [half-precision floating-point number][ieee754].
 
@@ -32,7 +32,7 @@ var toBinaryString = require( '@stdlib/number/float16/base/to-binary-string' );
 
 #### toBinaryString( x )
 
-Returns a `string` giving the literal bit representation of a [half-precision floating-point number][ieee754].
+Returns a string giving the literal bit representation of a [half-precision floating-point number][ieee754].
 
 ```javascript
 var toFloat16 = require( '@stdlib/number/float64/base/to-float16' );