note about account lookup when using multitenancy

README.markdown

@@ -291,6 +291,19 @@ Plutus.config do |config|
   config.tenant_class = 'Tenant'
 end
 ```
+*NOTE: When building entries, be sure to specify the account directly, rather than use the 'account_name' feature. Otherwise if you'll probably end up with the wrong account.*
+
+```ruby
+debit_account = Plutus::Acount.where(:name => "Cash", :tenant => my_tenant).last
+credit_account = Plutus::Acount.where(:name => "Unearned Revenue", :tenant => my_tenant).last
+entry = Plutus::Entry.new(
+                :description => "Order placed for widgets",
+                :date => Date.yesterday,
+                :debits => [
+                  {:account => debit_account, :amount => 100.00}],
+                :credits => [
+                  {:account => credit_account, :amount => 100.00}])
+```
 
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