diff --git a/MySQLdb/_mysql.c b/MySQLdb/_mysql.c
index 45df37c..380e2ef 100644
--- a/MySQLdb/_mysql.c
+++ b/MySQLdb/_mysql.c
@@ -732,7 +732,7 @@ _mysql_ConnectionObject_commit(
 }
 
 static char _mysql_ConnectionObject_rollback__doc__[] =
-"Rolls backs the current transaction\n\
+"Rolls back the current transaction\n\
 ";
 static PyObject *
 _mysql_ConnectionObject_rollback(
diff --git a/MySQLdb/cursors.py b/MySQLdb/cursors.py
index 5f6e499..82eb64e 100644
--- a/MySQLdb/cursors.py
+++ b/MySQLdb/cursors.py
@@ -471,7 +471,7 @@ class Cursor(CursorStoreResultMixIn, CursorTupleRowsMixIn,
 
 class DictCursor(CursorStoreResultMixIn, CursorDictRowsMixIn,
                  BaseCursor):
-     """This is a Cursor class that returns rows as dictionaries and
+    """This is a Cursor class that returns rows as dictionaries and
     stores the result set in the client."""