updating singleListItemDetails.md

appDescriptions/curatedLists/overview.md

@@ -42,7 +42,7 @@ Once a new list is created, it is stored in nostr as a kind 9901 event, which is
   <img src="../../.erb/img/createInstance.png" height="300px" display="inline-block" />
 </span>
 
-Once a new list item (also called a list "instance") is created, it is stored in nostr as a kind 9901 event, which is a Regular Event and is not editable or replaceable. Info about the list can be reviewed in the [list overview page](https://github.com/wds4/pretty-good/blob/main/appDescriptions/curatedLists/v021Overview/singleListItemDetails.md)
+Once a new list item (also called a list "instance") is created, it is stored in nostr as a kind 9901 event, which is a Regular Event and is not editable or replaceable. Info about the list can be reviewed in the [item overview page](https://github.com/wds4/pretty-good/blob/main/appDescriptions/curatedLists/v021Overview/singleListItemDetails.md)
 
 ## Endorse or Block an item for a given list
 

appDescriptions/curatedLists/v021Overview/singleListItemDetails.md

@@ -2,7 +2,7 @@ Go back to [overview of curated lists page](https://github.com/wds4/pretty-good/
 
 # Overview of the item: Damus, an item on the list of Nostr Clients
 
-When a new item is created, it is stored in nostr as a kind 9901 event. Information about the item is provided by the item overview page.
+When a new item is created, it is stored in nostr as a kind 9901 event. Information about the item is provided by the List Item overview page.
 
 ### General info about the item: Damus
 
@@ -13,6 +13,28 @@ When a new item is created, it is stored in nostr as a kind 9901 event. Informat
   />
 </span>
 
+The smiley faces can be expanded to reveal techincal info about how the list is encoded and stored on nostr, as per the DCoSL [Concept Graph protocol](https://github.com/wds4/DCoSL/tree/main/dips/conceptGraph).
+
+(Smiley faces with tech info are invisible unless the "show developer details for nostr nerds" option is checked under the settings for Pretty Good.)
+
+### Item info encoded in JSON
+
+<span style="display:inline-block" >
+  <img
+    width="80%"
+    src="../../../.erb/img/damusWord.png"
+  />
+</span>
+
+### JSON wrapped into a kind 9901 event
+
+<span style="display:inline-block" >
+  <img
+    width="80%"
+    src="../../../.erb/img/damusNostrEvent.png"
+  />
+</span>
+