diff --git a/docs/category.json b/docs/category.json
index e90c674a2e..a62e47f76d 100644
--- a/docs/category.json
+++ b/docs/category.json
@@ -9,6 +9,7 @@
   "ppl_cli": [
     "user/ppl/cmd/ad.rst",
     "user/ppl/cmd/dedup.rst",
+    "user/ppl/cmd/lookup.rst",
     "user/ppl/cmd/describe.rst",
     "user/ppl/cmd/showdatasources.rst",
     "user/ppl/cmd/information_schema.rst",