Add cassandra-zipkin-tracing to instrumentation page.
diff --git a/_data/existing_instrumentations.yml b/_data/existing_instrumentations.yml
index eca6484..3d6afba 100644
--- a/_data/existing_instrumentations.yml
+++ b/_data/existing_instrumentations.yml
@@ -36,7 +36,7 @@
   library: >-
     [htrace](https://github.com/apache/incubator-htrace/tree/master/htrace-zipkin)
   framework: HDFS, HBase
-  propagation: 
+  propagation:
   transports: Http, Scribe
   sampling: "Yes"
   notes: Java 7 or higher
@@ -49,10 +49,20 @@
   transports: Http, Spring Cloud Stream Compatible (e.g. RabbitMQ, Kafka, Redis or anything with a custom Binder)
   sampling: "Yes"
   notes: Java 7 or higher
-  
+
+- language: Java
+  library: >-
+    [cassandra-zipkin-tracing](https://github.com/thelastpickle/cassandra-zipkin-tracing)
+  framework: >-
+    [Apache Cassandra](http://cassandra.apache.org)
+  propagation: CQL
+  transports: Http, Kafka, Scribe
+  sampling: "Yes"
+  notes: Java 8+
+
 - language: Scala
   library: >-
-    [finagle-zipkin](https://github.com/twitter/finagle/tree/develop/finagle-zipkin) 
+    [finagle-zipkin](https://github.com/twitter/finagle/tree/develop/finagle-zipkin)
   framework: >-
     [Finagle](https://github.com/twitter/finagle)
   propagation: Http (B3), Thrift
@@ -61,7 +71,7 @@
 
 - language: Ruby
   library: >-
-    [zipkin-tracer](https://github.com/openzipkin/zipkin-tracer) 
+    [zipkin-tracer](https://github.com/openzipkin/zipkin-tracer)
   framework: >-
     [Rack](http://rack.github.io/)
   propagation: Http (B3)
@@ -71,8 +81,8 @@
 
 - language: "C#"
   library: >-
-    [ZipkinTracerModule](https://github.com/mdsol/Medidata.ZipkinTracerModule) 
-  framework: OWIN, HttpHandler  
+    [ZipkinTracerModule](https://github.com/mdsol/Medidata.ZipkinTracerModule)
+  framework: OWIN, HttpHandler
   propagation: Http (B3)
   transports: Http
   sampling: "Yes"
@@ -118,11 +128,10 @@
   library: >-
     [Wingtips](https://github.com/Nike-Inc/wingtips)
   framework: >-
-    [Any Servlet API framework](https://github.com/Nike-Inc/wingtips/tree/master/wingtips-servlet-api), 
-    [roll-your-own](https://github.com/Nike-Inc/wingtips#generic-application-pseudo-code), 
+    [Any Servlet API framework](https://github.com/Nike-Inc/wingtips/tree/master/wingtips-servlet-api),
+    [roll-your-own](https://github.com/Nike-Inc/wingtips#generic-application-pseudo-code),
     [async framework support](https://github.com/Nike-Inc/wingtips#usage-in-reactive-asynchronous-nonblocking-scenarios)
   propagation: Http (B3)
   transports: Http
   sampling: "Yes"
   notes: Java 7 or higher, [SLF4J MDC support](https://github.com/Nike-Inc/wingtips#mdc_info) for auto-tagging all log messages with tracing info
-