editorial improvements

specifications/README.md

@@ -8,11 +8,19 @@ space exploration and medicine.*
 * [Simulation Interoperabilty Standards Organization (SISO)](https://www.sisostds.org): "Simulation Interoperability and Reuse through Standards"
 * SISO Product Support Group (PSG): [DIS / RPR FOM PSG - Distributed Interactive Simulation / Real-time Platform Reference Federation Object Model](https://www.sisostds.org/StandardsActivities/SupportGroups/DISRPRFOMPSG.aspx)
 
-Resources from the working group:
-* [DIS PDU data structures](IeeeDisPduColorFigures.pdf)
-* [Compressed DIS](2019-SIW-Presentation-039_CompressedDis.pdf)
+## Working-Group Resources
 
-Manual download links follow.  IEEE standards must be downloaded manually while within NPS campus or firewall.
+**DIS/RPR FOM Product Support Group**
+* "The Distributed Interactive Simulation / Real-time Platform Reference Federation Object Model (DIS / RPR FOM) Product Support Group (PSG) is a permanent support group chartered by the SISO Standards Activity Committee to support multiple DIS-related products."
+* [Distributed Interactive Simulation / Real-time Platform Reference Federation Object Model (DIS / RPR FOM) Product Support Group (PSG)](https://www.sisostds.org/StandardsActivities/SupportGroups/DISRPRFOMPSG.aspx)
+
+* [SISO Digital Library](https://www.sisostds.org/Default.aspx?tabid=105&EntryId=31596)
+** [DIS Introduction and Briefings](https://www.sisostds.org/Default.aspx?tabid=105&EntryId=31596)
+** [IEEE 1278 Bibliography Material](https://www.sisostds.org/Default.aspx?tabid=105&EntryId=31596)
+** [DIS PDU data structures](IeeeDisPduColorFigures.pdf)
+** [Compressed DIS](2019-SIW-Presentation-039_CompressedDis.pdf) overview, Lance Call, Simulation Interoperability Workshop (SIW), Orlando Florida, February 2019.
+
+Specification download links follow.  For free access, IEEE standards must be downloaded manually while within NPS campus or firewall.
 
 ## Standards Documents
 
@@ -64,12 +72,4 @@ Guidelines are established for the verification, validation, and accreditation (
 * *Abstract.* 
 SISO-REF-010 specifies numerical values and associated definitions for fields that are identified as enumerations in SISO Standards Products and SISO-sponsored standards published by IEEE for High Level Architecture (HLA) and Distributed Interactive Simulation (DIS). Enumerations for simulations may be applied in other architectures, such as the Test and Training Enabling Architecture (TENA).
 
-## Working Groups
-
-**DIS/RPR FOM Product Support Group**
-* "The Distributed Interactive Simulation / Real-time Platform Reference Federation Object Model (DIS / RPR FOM) Product Support Group (PSG) is a permanent support group chartered by the SISO Standards Activity Committee to support multiple DIS-related products."
-* [Distributed Interactive Simulation / Real-time Platform Reference Federation Object Model (DIS / RPR FOM) Product Support Group (PSG)](https://www.sisostds.org/StandardsActivities/SupportGroups/DISRPRFOMPSG.aspx)
-
-* [SISO Digital Library](https://www.sisostds.org/Default.aspx?tabid=105&EntryId=31596) including DIS RPRFOM Product Support Group (PSG),
-** [DIS Introduction and Briefings](https://www.sisostds.org/Default.aspx?tabid=105&EntryId=31596)
-** [IEEE 1278 Bibliography Material](https://www.sisostds.org/Default.aspx?tabid=105&EntryId=31596)
+---