diff --git a/full-description.md b/full-description.md
index 5a4e09c..d8dcd96 100644
--- a/full-description.md
+++ b/full-description.md
@@ -25,7 +25,7 @@ In those early, exciting days, all I did was live from the 1st to the 31st of th
 There are three kinds of accounts:
 
 * **Asset accounts**
-  * Asset accounts hold your money. Your bank account is an asset account. Your savings account is an asset account. They would be called "Savings account" or "Checking account". These accounts can be created with an initial balance, which is useful since you won't be entering your entire financial history.
+  * Asset accounts hold your money. Your bank account is an asset account. Your savings account is an asset account. They would be called "Savings account" or "Checking account". These accounts can be created with an initial (negative) balance, which is useful since you won't be entering your entire financial history.
 * **Expense accounts**
   * Expense accounts are stores, shops, online things, whatever. For example: "Target", "Thinkgeek" or wherever you get stuff.
 * **Revenue accounts**
@@ -35,6 +35,8 @@ This split is there because my Googling into accounting has learned me that you
 
 ## Transactions
 
+A transaction is a very simple thing. Money moves from A to B. It doesn't matter if this is an expense, your salary or you moving money around: money moves from A to B.
+
 ## Budgets
 
 ## Categories