Update README.md

Author: myungchoi

README.md

@@ -4,7 +4,7 @@ CCDA-project
 Content: 
 
 1. CCDA Generator v1.0
-The CCDA Generator reads predefined CSV file and outputs CCDA. Current version is fixed to the following document. Thus, when you modify the CSV file, keep in mind that you are generating Summarization of Episode Note.
+The CCDA Generator reads predefined CSV file and outputs corresponding CCDA document. The current version of generator can only generate single template type as shown below. Thus, when you modify the CSV file, keep in mind that you are generating CCD/HITSP C32 of Summarization of Episode Note. We also considered Meaningful Use 2 data set (v6) document for required data elements and coding system.  
 
  - ClinicalDocument (TemplateID: 2.16.840.1.113883.10.20.22.1.1)
  - Continuity of Care Document (CCD) / HITSP C32 (TemplateID: 2.16.840.1.113883.10.20.22.1.2)