README status updates and word count

README.md

@@ -34,7 +34,7 @@ The current status of the book is "IN PROGRESS". See below for status of specifi
 | [Nodes (LN Clients)](node_client.asciidoc) | #################### | :mag: |
 | [Operating a Node](node_operations.asciidoc) | ##### | :bookmark_tabs: |
 | [P2P Communication](p2p.asciidoc) | # | :bookmark_tabs: |
-| [Channel Construction in Detail](channel-construction.asciidoc) | ######### | :bookmark_tabs: |
+| [Channel Construction in Detail](channel-construction.asciidoc) | ######### | :lock_with_ink_pen: |
 | [Channel Graph and Gossip Layer](channel-graph.asciidoc) | # | :bookmark_tabs: |
 | [Payment Path Finding](path-finding.asciidoc) | ##### | :bookmark_tabs: |
 | [End-to-End Payment Presentation Layer](e2e-presentation-layer.asciidoc) | ## | :bookmark_tabs: |