r39132 closed pull request #4004: [AIRFLOW-XXX] airflow.models.DAG docstring
mistake correction
URL: https://github.com/apache/incubator-airflow/pull/4004
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diff --git a/airflow/models.py b/airflow/models.py
index 22e8d2596a..239a3a5263 100755
--- a/airflow/models.py
+++ b/airflow/models.py
@@ -3201,7 +3201,7 @@ def get_current(cls, dag_id, session=None):
class DAG(BaseDag, LoggingMixin):
"""
A dag (directed acyclic graph) is a collection of tasks with directional
- dependencies. A dag also has a schedule, a start end an end date
+ dependencies. A dag also has a schedule, a start date and an end date
(optional). For each schedule, (say daily or hourly), the DAG needs to run
each individual tasks as their dependencies are met. Certain tasks have
the property of depending on their own past, meaning that they can't run
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