Fix typo in README found by Raphaël Valyi

account_bank_reconciliation_summary_xlsx/README.rst

@@ -13,7 +13,7 @@ This module adds a Bank Reconciliation Report in Odoo in XLSX format. For each b
 3. The list of draft bank statement lines not linked to any journal items,
 4. The computed balance of the bank account at the bank.
 
-The last field (computed balance of the bank account at the bank) must be compared to the real bank account balance at the bank. If there is a difference, you need to find the erreor in the accounting. The field *Computed balance of the bank account at the bank* is a formula, so you can easily change its computation to try to find the difference with the real bank account balance at the bank.
+The last field (computed balance of the bank account at the bank) must be compared to the real bank account balance at the bank. If there is a difference, you need to find the error in the accounting. The field *Computed balance of the bank account at the bank* is a formula, so you can easily change its computation to try to find the difference with the real bank account balance at the bank.
 
 Configuration
 =============