fixed typo "your a", line 132

Author: American-Dipper

articles/billing/billing-download-azure-invoice-daily-usage-date.md

@@ -129,7 +129,7 @@ You can opt out of getting your invoice by email by following the steps above an
 
 3. Click the download button of a invoice period that you want to check.
 
-4. Download your a daily breakdown of consumed quantities and estimated charges by clicking **Download csv**.  This may take a few minutes to prepare the csv file.
+4. Download a daily breakdown of consumed quantities and estimated charges by clicking **Download csv**.  This may take a few minutes to prepare the csv file.
 
 ### Download usage for EA customers