diff --git a/CHANGELOG.md b/CHANGELOG.md
index bb1c9ba52..d329bbb05 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4552,6 +4552,7 @@ A total of 27 people contributed to this release. Thank you to the following con
 
 <details>
 
+-   [`4c95c5a`](https://github.com/stdlib-js/stdlib/commit/4c95c5ac1cc58e3ed3db0b13a653ad7680a0393a) - **docs:** use descriptive variable names [(##2373)](#2373) _(by Gunj Joshi)_
 -   [`c1ef722`](https://github.com/stdlib-js/stdlib/commit/c1ef722991b1743b02c897332d0e2b3005a97494) - **docs:** update return annotation value [(##2370)](#2370) _(by stdlib-bot, Philipp Burckhardt)_
 -   [`6199f14`](https://github.com/stdlib-js/stdlib/commit/6199f14235f3aff23b57504bd62923ebf45555e0) - **feat:** add C implementation for `math/base/special/tan` _(by Gunj Joshi)_
 -   [`822491d`](https://github.com/stdlib-js/stdlib/commit/822491dd173e2ca1195c4b4f4600419f55b5ee15) - **docs:** fix function signature in table of contents [(##2371)](#2371 ) _(by stdlib-bot, Philipp Burckhardt)_
diff --git a/base/special/sin/lib/main.js b/base/special/sin/lib/main.js
index 7070d1d40..2b9e52deb 100644
--- a/base/special/sin/lib/main.js
+++ b/base/special/sin/lib/main.js
@@ -34,8 +34,8 @@
 
 // MODULES //
 
-var ABS_MASK = require( '@stdlib/constants/float64/high-word-abs-mask' );
-var EXPONENT_MASK = require( '@stdlib/constants/float64/high-word-exponent-mask' );
+var HIGH_WORD_ABS_MASK = require( '@stdlib/constants/float64/high-word-abs-mask' );
+var HIGH_WORD_EXPONENT_MASK = require( '@stdlib/constants/float64/high-word-exponent-mask' );
 var getHighWord = require( '@stdlib/number/float64/base/get-high-word' );
 var kernelCos = require( './../../../../base/special/kernel-cos' );
 var kernelSin = require( './../../../../base/special/kernel-sin' );
@@ -98,7 +98,7 @@ function sin( x ) {
 	var n;
 
 	ix = getHighWord( x );
-	ix &= ABS_MASK;
+	ix &= HIGH_WORD_ABS_MASK;
 
 	// Case: |x| ~< π/4
 	if ( ix <= PIO4_HIGH_WORD ) {
@@ -109,7 +109,7 @@ function sin( x ) {
 		return kernelSin( x, 0.0 );
 	}
 	// Case: x is NaN or infinity
-	if ( ix >= EXPONENT_MASK ) {
+	if ( ix >= HIGH_WORD_EXPONENT_MASK ) {
 		return NaN;
 	}
 	// Argument reduction...