Update README.md

Author: xs2suruchi

README.md

@@ -39,7 +39,7 @@ It reads input data in the form of CD3 Excel sheet and generates the terraform f
 </kbd>
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-#### OCI Services Currently Supported by CD3
+#### OCI Services Currently Supported by Automation Toolkit
 
 | OCI Services | Details |
 | --------- | ----------- |