diff --git a/README.md b/README.md
index 678a0ebb917..c9a667d47b1 100644
--- a/README.md
+++ b/README.md
@@ -19,7 +19,7 @@ The Contrail Controller repository contains the code for the configuration manag
 
 The data-plane component (aka vrouter) is avaialable in a separate code repository (http://github.com/Juniper/contrail-vrouter).
 
-The configuration management component is located under 'src/config'. It provides a REST API to an orchestration system and translates the system configuration as an [IF-MAP](http://www.trustedcomputinggroup.org/files/resource_files/2888CAD9-1A4B-B294-D0ED95712B121FEF/TNC_IFMAP_v2_1r15.pdf) database.
+The configuration management component is located under 'src/config'. It provides a REST API to an orchestration system and translates the system configuration as an [IF-MAP](http://www.trustedcomputinggroup.org/wp-content/uploads/TNC_IFMAP_v2_1r20.pdf) database.
 
 The configuration schema used by the contrail controller is defined under src/schema. A [code generation tool](http://github.com/Juniper/contrail-generateds) is used to convert the schema into accessor methods used by the API clients (src/api-lib), the API server as well as the control-plane components.