Update README.md

Author: ehanson8

README.md

@@ -5,9 +5,11 @@ Most of these scripts require a secrets.py file in the same directory that must
 
 More information about WSKeys is available [here](https://www.oclc.org/developer/develop/authentication/how-to-request-a-wskey.en.html).
 
-### [oclcIsbn.py](oclcIsbn.py)
+#### [oclcIsbn.py](oclcIsbn.py)
+This script retrieves OCLC numbers and titles based on a text file of ISBNs.
 
-### [oclcTitlePhraseEnhanced.py](oclcTitlePhraseEnhanced.py)
-
-### [worldcatIdentities.py](worldcatIdentities.py)
+#### [oclcTitlePhraseEnhanced.py](oclcTitlePhraseEnhanced.py)
+This script retrieves OCLC records based on a text file of titles and extracts the title, URL, author, publisher, encoding level, language, and date.
 
+#### [worldcatIdentities.py](worldcatIdentities.py)
+This script retrieves labels and URIs from the WorldCat Identities API based on a text file of names.