diff --git a/user_guide/helpers/string_helper.html b/user_guide/helpers/string_helper.html
index 169ee4e..7c1d30c 100644
--- a/user_guide/helpers/string_helper.html
+++ b/user_guide/helpers/string_helper.html
@@ -90,6 +90,17 @@
 <code>echo random_string('alnum', 16);</code>
 
 
+<h2>increment_string()</h2>
+
+<p>Increments a string by appending a number to it or increasing the number. Useful for creating "copies" or a file or duplicating database content which has unique titles or slugs.</p>
+
+<p>Usage example:</p>
+
+<code>echo increment_string('file', '_'); // "file_1"<br/>
+echo increment_string('file', '-', 2); // "file-2"<br/>
+echo increment_string('file-4'); // "file-5"<br/></code>
+
+
 <h2>alternator()</h2>
 
 <p>Allows two or more items to be alternated between, when cycling through a loop.  Example:</p>