diff --git a/core/io/files/files-docs.factor b/core/io/files/files-docs.factor
index c918641912..b8cf747106 100755
--- a/core/io/files/files-docs.factor
+++ b/core/io/files/files-docs.factor
@@ -87,6 +87,7 @@ ARTICLE: "io.files" "Basic file operations"
 { $subsection "fs-meta" }
 { $subsection "directories" }
 { $subsection "delete-move-copy" }
+{ $subsection "unique" }
 { $see-also "os" } ;
 
 ABOUT: "io.files"