Fix PR-110 release note heading ## -> ###

Also expanded the wording slightly

documentation/new-notes/PR-110.md

@@ -1,7 +1,10 @@
-## Add GDB Helper Script
+### Add GDB Helper Script
 
-Add [Debugging with GDB](gdb.md) section in documentation.
+A new [Debugging with GDB](gdb.md) document which is linked under the
+"General Information" heading in the side-bar provides information on
+how to debug C/C++ code in an IOC running on a workstation OS.
 
-Add GDB helper script to pretty print some common database types.
+This release added a GDB helper script that pretty-prints some of the
+common database types.
 Tested with GDB 16.3.
 Compatible with python 3.