diff --git a/README.rst b/README.rst
index 52d93001..2bacfdb7 100644
--- a/README.rst
+++ b/README.rst
@@ -133,7 +133,7 @@ Dictionary. Current available keys are:
    for each database session. Valid values for this entry are
    ``READ UNCOMMITTED``, ``READ COMMITTED``, ``REPEATABLE READ``,
    ``SNAPSHOT``, and ``SERIALIZABLE``. Default is ``None`` which means
-   no isolation levei is set to a database session and SQL Server default
+   no isolation level is set to a database session and SQL Server default
    will be used.
 
 -  dsn