diff --git a/README b/README
index 02d63ad..4d6751c 100644
--- a/README
+++ b/README
@@ -61,14 +61,26 @@ JSONML.java: JSONML provides support for converting between JSONML and XML.
 
 XMLTokener.java: XMLTokener extends JSONTokener for parsing XML text.
 
-Unit tests are maintained in a separate project. Contributing developers can test JSON-java pull requests with the code in this project: https://github.com/stleary/JSON-Java-unit-test
+Unit tests are maintained in a separate project. Contributing developers can test 
+JSON-java pull requests with the code in this project: 
+https://github.com/stleary/JSON-Java-unit-test
+
+Numeric types in this package comply with ECMA-404: The JSON Data Interchange Format 
+(http://www.ecma-international.org/publications/files/ECMA-ST/ECMA-404.pdf) and 
+RFC 7159: The JavaScript Object Notation (JSON) Data Interchange Format 
+(https://tools.ietf.org/html/rfc7159#section-6). 
+This package fully supports Integer, Long, and Double Java types. Partial support 
+for BigInteger and BigDecimal values in JSONObject and JSONArray objects is provided 
+in the form of get(), opt(), and put() API methods.
 
 Release history:
 
 20151123    JSONObject and JSONArray initialization with generics. Contains the
 latest code as of 23 Nov, 2015.
 
-20150729    Checkpoint for Maven central repository release. Contains the latest code as of 29 July, 2015. 
+20150729    Checkpoint for Maven central repository release. Contains the latest code 
+as of 29 July, 2015. 
 
-JSON-java releases can be found by searching the Maven repository for groupId "org.json" and artifactId "json". For example: 
+JSON-java releases can be found by searching the Maven repository for groupId "org.json" 
+and artifactId "json". For example: 
 https://search.maven.org/#search%7Cgav%7C1%7Cg%3A%22org.json%22%20AND%20a%3A%22json%22