diff --git a/Bulk-Import-Services.md b/Bulk-Import-Services.md
index 38fe9fc..ced18c9 100644
--- a/Bulk-Import-Services.md
+++ b/Bulk-Import-Services.md
@@ -8,6 +8,7 @@ Bulk Upload,http://google.com,,200,60s,http,get,,,60s,1,true,true,,Authorization
 
 ## Requirements
 
-- Each row must have 16 columns.
+- First row must include the CSV column names (name,domain,expected, ...)
+- Each row must have 16 columns based on the first row column names.
 - `interval` must be in Duration format. (`60s` is 60 seconds, `2m` is 2 minutes, `1h` is 1 hour)
 - `timeout` must be in Duration format. (`60s` is 60 seconds, `2m` is 2 minutes, `1h` is 1 hour)