diff --git a/generator/_references.md b/generator/_references.md
index d52fae0d2..2c5e1c4b8 100644
--- a/generator/_references.md
+++ b/generator/_references.md
@@ -71,3 +71,4 @@
 [getpwuid()]: https://linux.die.net/man/3/getpwuid
 [getpwnam()]: https://linux.die.net/man/3/getpwnam
 [select()]: https://linux.die.net/man/3/select
+[search_up()]: /reference/functions/findfiles_up