Update .env.example

Author: Oge Flagg-Igbo

.env.example

@@ -12,6 +12,8 @@ PLAID_ENV=sandbox
 # If you don't see the institution you want in Link, remove any products you aren't using.
 # Important: When moving to Production, make sure to update this list with only the products
 # you plan to use. Otherwise, you may be billed for unneeded products.
+# NOTE: Income_verification has to be used seperately from all other products due to the specific 
+# flow.
 PLAID_PRODUCTS=auth,transactions
 # PLAID_COUNTRY_CODES is a comma-separated list of countries to use when
 # initializing Link, e.g. PLAID_COUNTRY_CODES=US,CA.