diff --git a/agora pkg chapter.md b/agora pkg chapter.md
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--- a/agora pkg chapter.md	
+++ b/agora pkg chapter.md	
@@ -25,7 +25,7 @@ This node is longer than the average Agora node :) It has the following sections
 
 In this chapter we describe an **Agora**, being a **social knowledge graph** provisioned and maintained by a community as a [commons](https://anagora.org/commons). 
 
-The Agora differs from other projects in the knowledge space in a few ways: whereas a **personal knowledge graph** usually contains resources authored or collected by a single person, and a **wiki** usually contains resources produced by a group, an Agora contains and integrates both personal and group resources and interlinks them liberally. While links in a personal knowledge graph or wiki usually have a single target, **Agora links fan out by default** and can be thought of as mapping to sets of resources. Finally, **the reference Agora tries to remain tool, format and platform agnostic**, trying to build first on general conventions common to many tools and platforms in the knowledge space for maximal inclusivity and diversity.
+The Agora differs from other projects in the knowledge space in a few ways: whereas a **personal knowledge graph** usually contains resources authored or collected by a single person, and a **wiki** usually contains resources produced by a group, an Agora contains and integrates both personal and group resources and interlinks them liberally. While links in a personal knowledge graph or wiki usually have a single target, **Agora links fan out by default** and can be thought of as mapping to sets of resources. Finally, **the reference Agora tries to remain tool, format and platform agnostic**, building first on general conventions common to many tools and platforms in the knowledge space for maximal inclusivity and diversity.
 
 Being a graph, an Agora can be defined as a set of vertices or **nodes** `N` (entities) and **edges** `E` (known links between entities, optionally annotated). An Agora node contains the set of all known resources about or otherwise relevant to the entity described by the node title or any provided metadata. Each such resource is called a **subnode**. Note that because links can be arbitrarily annotated (i.e. #tagged or qualified by other nearby links) and have multiplicity, the Agora is in fact a **hypergraph**.