Merge pull request GoogleCloudPlatform#156 from hashkanna/patch-1

Correct the broken link

Author: ryanmcdowell

examples/cloud-composer-examples/composer_http_post_example/README.md

@@ -43,7 +43,7 @@ Based on the status of the Spark job, the workflow will then move the processed
 
 ##### Full code examples
 
-Ready to dive deeper? Check out the [complete code](composer_http_post_examples/ephemeral_dataproc_spark_dag.py)
+Ready to dive deeper? Check out the [complete code](ephemeral_dataproc_spark_dag.py)
 
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