Updated rtiteehr.md

docs/products/tools/rtiteehr/rtiteehr.md

@@ -13,4 +13,5 @@ TEEHR - Tools for Exploratory Evaluation in Hydrologic Research
 
 TEEHR (pronounced "tier") is a python tool set for loading, storing, processing and visualizing hydrologic data, particularly National Water Model data, for the purpose of exploring and evaluating the datasets to assess their skill and performance.
 
-Reference: https://github.com/RTIInternational/teehr
+GitHub: https://github.com/RTIInternational/teehr
+Documentation : https://rtiinternational.github.io/teehr/index.html