diff --git a/public/static/lang/en.json b/public/static/lang/en.json
index 651a5b61b..43dab8759 100644
--- a/public/static/lang/en.json
+++ b/public/static/lang/en.json
@@ -382,8 +382,8 @@
   "Search.Sidebar.Domain.Placeholder": "e.g. twitter.com or 1.1.1.1",
   "Search.Sidebar.Domain.Error": "Please enter a valid domain name or IP address, such as twitter.com or 1.1.1.1",
   "Search.Sidebar.Input": "Input",
-  "Search.Sidebar.Input.Placeholder": "e.g., https://fbcdn.net/robots.txt",
-  "Search.Sidebar.Input.Error": "Please enter full URL or IP address, such as https://fbcdn.net/robots.txt",
+  "Search.Sidebar.Input.Placeholder": "e.g., https://twitter.com/",
+  "Search.Sidebar.Input.Error": "Please enter a full URL (e.g. https://twitter.com/) with a trailing slash (`/`) or an IP address",
   "Search.Sidebar.Categories": "Website Categories",
   "Search.Sidebar.Categories.All": "Any",
   "Search.Sidebar.Status": "Status",