dcae r4 doc updates

Change-Id: I341f10a9eace4facac5aec3a3ff56cb89ef005e8
Signed-off-by: VENKATESH KUMAR <vv770d@att.com>
Issue-ID: DCAEGEN2-1505
Signed-off-by: VENKATESH KUMAR <vv770d@att.com>
diff --git a/docs/sections/services/dfc/troubleshooting.rst b/docs/sections/services/dfc/troubleshooting.rst
index 7d2dded..c905802 100644
--- a/docs/sections/services/dfc/troubleshooting.rst
+++ b/docs/sections/services/dfc/troubleshooting.rst
@@ -1,3 +1,6 @@
+Trobleshooting
+==============
+
 In order to find the origin of an error, we suggest to use the logs resulting from tracing, which needs to be activated.
 
 Activate tracing: Spring actuator