diff --git a/Documentation/data-fields.csv b/Documentation/data-fields.csv
index d69c013..fad236e 100644
--- a/Documentation/data-fields.csv
+++ b/Documentation/data-fields.csv
@@ -4,7 +4,7 @@ First Name,string,First name of the lead,Lead data,-,Mustername
 Company / Account,string,Company name of the lead,Lead data,-,Mustercompany
 Phone,string,Phone number of the lead,Lead data,-,49 1234 56789
 Email,string,Email of the lead,Lead data,-,musteremail@example.com
-domain,string,"The domain of the email is the part that follows the "@" symbol, indicating the organization or service hosting the email address.",processing,Email,example.com
+domain,string,"The domain of the email is the part that follows the ""@"" symbol, indicating the organization or service hosting the email address.",processing,Email,example.com
 email_valid,boolean,Checks if the email is valid.,email_validator package,Email,True/False
 first_name_in_account,boolean,Checks if first name is written in "Account" input,processing,First Name,True/False
 last_name_in_account,boolean,Checks if last name is written in "Account" input,processing,Last Name,True/False