Update third-party versions in README

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1909806 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/osgi/README.md b/osgi/README.md
index f843014..8fb8daf 100644
--- a/osgi/README.md
+++ b/osgi/README.md
@@ -25,7 +25,7 @@
 3. Apache XML Security for Java, Bouncy Castle and XML Commons Resolver 
 These are required to sign or validate signed Office documents. The OSGi bundles are available in Maven Central:
 
-    - Apache XML Security for Java: https://mvnrepository.com/artifact/org.apache.santuario/xmlsec/3.0.2 (use v2.3.0 with POI v5.2.2)
+    - Apache XML Security for Java: https://mvnrepository.com/artifact/org.apache.santuario/xmlsec/3.0.2 (use v3.0.2 with POI v5.2.3)
     
     - XML Commons Resolver: https://mvnrepository.com/artifact/xml-resolver/xml-resolver/1.2-osgi