diff --git a/README.md b/README.md
index 0b9b7bf..53f50f2 100644
--- a/README.md
+++ b/README.md
@@ -117,7 +117,7 @@ The namespace exposes the following string manipulation functions:
 -   <span class="signature">[`splitGraphemeClusters( str )`][@stdlib/string/split-grapheme-clusters]</span><span class="delimiter">: </span><span class="description">split a string by its grapheme cluster breaks.</span>
 -   <span class="signature">[`startcase( str )`][@stdlib/string/startcase]</span><span class="delimiter">: </span><span class="description">capitalize the first letter of each word in a string.</span>
 -   <span class="signature">[`startsWith( str, search[, position] )`][@stdlib/string/starts-with]</span><span class="delimiter">: </span><span class="description">test if a string starts with the characters of another string.</span>
--   <span class="signature">[`substringAfterLast`][@stdlib/string/substring-after-last]</span><span class="delimiter">: </span><span class="description">return the part of a string after the last occurrence of a specified substring.</span>
+-   <span class="signature">[`substringAfterLast( str, search[, fromIndex] )`][@stdlib/string/substring-after-last]</span><span class="delimiter">: </span><span class="description">return the part of a string after the last occurrence of a specified substring.</span>
 -   <span class="signature">[`substringAfter( str, search[, fromIndex] )`][@stdlib/string/substring-after]</span><span class="delimiter">: </span><span class="description">return the part of a string after a specified substring.</span>
 -   <span class="signature">[`substringBeforeLast( str, search )`][@stdlib/string/substring-before-last]</span><span class="delimiter">: </span><span class="description">return the part of a string before the last occurrence of a specified substring.</span>
 -   <span class="signature">[`substringBefore( str, search )`][@stdlib/string/substring-before]</span><span class="delimiter">: </span><span class="description">return the part of a string before a specified substring.</span>