Update README.md

Author: keilw

README.md

@@ -4,10 +4,10 @@ jackson-module-unitsofmeasure
 Contains custom serializers and deserializers for JSR 363.
 
 Dependencies
------------------------------
+------------
 
  * The latest version version (`0.8-SNAPSHOT`) of the JSR 363 API 
  * Latest version (`0.8-SNAPSHOT`) of the *SE Port*
- * *UCUM System* (`0.1-SNAPSHOT`)
+ * [UCUM System](../uom-systems/ucum) (`0.1-SNAPSHOT`)
 
 Provided either in a local Maven repository, called `/repository` under this ("unitsofmeasurement") organization, JFrog OSS Snapshot repo or MavenCentral (Sonatype).