update traitvis link

Author: dlebauer

data/index.md

@@ -49,9 +49,9 @@ Data is accessible via the TERRA-REF sensor data, trait/phenotype, and genomics
 
 <hr/>
 
-## MAC Data Analytics
+## Data Summaries
 
-* [Trait Data Visualization](https://terraref.shinyapps.io/traitvis/){:target="_blank"}
+* [Summary of Available Trait Data](https://terraref.shinyapps.io/traitvis/){:target="_blank"}
 * [Dataset Count by Sensor](http://terra-logging.ncsa.illinois.edu:3000/dashboard/db/dataset-counts-by-sensor){:target="_blank"}
 * [Sensor File Counts and Size](http://terra-logging.ncsa.illinois.edu:3000/dashboard/db/sensor-file-counts-and-size){:target="_blank"}
 * [Data Transfer Metrics](http://terra-logging.ncsa.illinois.edu:3000/dashboard/db/transfer-metrics){:target="_blank"}