diff --git a/docs/source/using_gridappsd/index.rst b/docs/source/using_gridappsd/index.rst
index 34b6f4a..1adbba1 100644
--- a/docs/source/using_gridappsd/index.rst
+++ b/docs/source/using_gridappsd/index.rst
@@ -69,9 +69,10 @@ Services
The `GridAPPSD's Sensor Simulator` simulates real devices based upon the magnitude of "prestine" simulated values.
Currently the sensor service supports angle and magnitude measurements.
-'_GridAPPS-D DNP3 Service '__
+`GridAPPS-D DNP3 Service `_
The `GridAPPS-D DNP3 Service` integrates GridAPPS-D with DNP3 based commercial tools to enable the CIM and DNP3 data exchange of the devices.
+
Hosting Application
-------------------