diff --git a/Documentation/core-api/kernel-api.rst b/Documentation/core-api/kernel-api.rst
index a53ec2eb8176c6c6217dc7dbf60fd04c155a57a6..65ae2bf1f86d61a4c2883f3446fedbc1b529d160 100644
--- a/Documentation/core-api/kernel-api.rst
+++ b/Documentation/core-api/kernel-api.rst
@@ -33,6 +33,9 @@ String Conversions
 .. kernel-doc:: lib/kstrtox.c
    :export:
 
+.. kernel-doc:: lib/string_helpers.c
+   :export:
+
 String Manipulation
 -------------------