diff --git a/README.md b/README.md
index b7047980..0b9b7bf3 100644
--- a/README.md
+++ b/README.md
@@ -109,7 +109,7 @@ The namespace exposes the following string manipulation functions:
 -   <span class="signature">[`repeat( str, n )`][@stdlib/string/repeat]</span><span class="delimiter">: </span><span class="description">repeat a string a specified number of times and return the concatenated result.</span>
 -   <span class="signature">[`replaceBefore( str, search, replacement )`][@stdlib/string/replace-before]</span><span class="delimiter">: </span><span class="description">replace the substring before the first occurrence of a specified search string.</span>
 -   <span class="signature">[`replace( str, search, newval )`][@stdlib/string/replace]</span><span class="delimiter">: </span><span class="description">replace search occurrences with a replacement string.</span>
--   <span class="signature">[`reverseString( str )`][@stdlib/string/reverse]</span><span class="delimiter">: </span><span class="description">reverse a string.</span>
+-   <span class="signature">[`reverseString( str[, options] )`][@stdlib/string/reverse]</span><span class="delimiter">: </span><span class="description">reverse a string.</span>
 -   <span class="signature">[`rpad( str, len[, pad] )`][@stdlib/string/right-pad]</span><span class="delimiter">: </span><span class="description">right pad a string.</span>
 -   <span class="signature">[`rtrimN( str, n[, chars] )`][@stdlib/string/right-trim-n]</span><span class="delimiter">: </span><span class="description">trim `n` characters from the end of a string.</span>
 -   <span class="signature">[`rtrim( str )`][@stdlib/string/right-trim]</span><span class="delimiter">: </span><span class="description">trim whitespace characters from the end of a string.</span>
diff --git a/docs/types/index.d.ts b/docs/types/index.d.ts
index ac89651e..647daaed 100644
--- a/docs/types/index.d.ts
+++ b/docs/types/index.d.ts
@@ -855,23 +855,20 @@ interface Namespace {
 	* Reverses a string.
 	*
 	* @param str - input string
+	* @param options - options
 	* @returns reversed string
 	*
 	* @example
-	* var out = ns.reverseString( 'last man standing' );
+	* var out = ns.reverseString( 'last man standing', {
+	*     'mode': 'code_unit'
+	* });
 	* // returns 'gnidnats nam tsal'
 	*
 	* @example
-	* var out = ns.reverseString( 'presidential election' );
-	* // returns 'noitcele laitnediserp'
-	*
-	* @example
-	* var out = ns.reverseString( 'javaScript' );
-	* // returns 'tpircSavaj'
-	*
-	* @example
-	* var out = ns.reverseString( 'Hidden Treasures' );
-	* // returns 'serusaerT neddiH'
+	* var out = ns.reverseString( '🐶🐮🐷🐰🐸', {
+	*     'mode': 'grapheme'
+	* });
+	* // returns '🐸🐰🐷🐮🐶'
 	*/
 	reverseString: typeof reverseString;