diff --git a/i18n/ais.json b/i18n/ais.json
index 7aa5f28b..d9d5a0dc 100644
--- a/i18n/ais.json
+++ b/i18n/ais.json
@@ -31,5 +31,6 @@
 	"categorytree-not-found": "inayi’ kakuniza <i>$1</i>",
 	"categorytree-error": "imahini miasip kalunasulitan mungangaw.",
 	"categorytree-retry": "pihalhal’i pitaneng henay ku cacay.",
+	"apihelp-categorytree-param-category": "i kakuniza pangangananay a salaedan a satangahan, anu izaw saayaway sulit amasekipo",
 	"apierror-categorytree-invalidjson": "mapiliay kanca ku kapahay a JSON tuutuud."
 }