When posting charges to an account, you can change the text that should appear with the charges on the invoice.
Ø Enter the text in the field Description.
Ø In the field Invoice text, select Description.
Figure 54: Invoice text - manual posting
Figure 55: Appearance of service text on invoice and statement
You can also add a description for existing charges on the account.
Ø Highlight the respective posting in the Postings-listbox.
Ø Click Edit short text 
next to the listbox.
SIHOT opens a dialog box to enter a description.
Ø Enter the text and click OK.
Figure 56: Adding a description