corrected a bunch of spelling typos

1 files changed, 3 insertions, 3 deletions

diff --git a/lib/sqlalchemy/orm/deprecated_interfaces.py b/lib/sqlalchemy/orm/deprecated_interfaces.py
index 135664469..9ebf9a57e 100644
--- a/lib/sqlalchemy/orm/deprecated_interfaces.py
+++ b/lib/sqlalchemy/orm/deprecated_interfaces.py
@@ -423,13 +423,13 @@ class SessionExtension(object):
         transaction is ongoing."""
 
     def after_commit(self, session):
-        """Execute after a commit has occured.
+        """Execute after a commit has occurred.
 
         Note that this may not be per-flush if a longer running
         transaction is ongoing."""
 
     def after_rollback(self, session):
-        """Execute after a rollback has occured.
+        """Execute after a rollback has occurred.
 
         Note that this may not be per-flush if a longer running
         transaction is ongoing."""
@@ -454,7 +454,7 @@ class SessionExtension(object):
 
         This will be when the 'new', 'dirty', and 'deleted' lists are in
         their final state.  An actual commit() may or may not have
-        occured, depending on whether or not the flush started its own
+        occurred, depending on whether or not the flush started its own
         transaction or participated in a larger transaction. """
 
     def after_begin( self, session, transaction, connection):