README updates

README.md

@@ -11,11 +11,11 @@ immutable, nested associative structures like maps-of-maps or vectors-of-maps.
 
 However, Clojure doesn't help much with **querying** these structures. As a
 result, programmers are often compelled to implement bespoke query engines and
-languages on a per-application basis.
+DSLs on a per-application basis.
 
 This library contains a set of functions for converting associative structures
-to in-memory databases suitable for query via "Datomic-flavored Datalog" as
-implemented in [Datomic][1] and [Datascript][2].
+to in-memory databases suitable for query via "Datomic-flavored Datalog"
+implementations such as [Datomic][1] and [DataScript][2].
 
 ## Usage
 
@@ -188,7 +188,7 @@ cardinality.
 
 ## Differences from spectre
 
-[spectre][?] is another library that was also created with the goal making it
+[spectre][6] is another library that was also created with the goal making it
 easier to work with nested structures in Clojure.
 
 Unlike spectre, intension supplies no means for updating structures — only
@@ -207,12 +207,12 @@ might contain 3-place relations for every distinct key/value regardless of
 depth, prefixed by path. Meta data could be joined against data generated by
 `make-db` on the path value.
 
-1 Datomic
-2 Datascript
-3 relations
-4 unifies
-5 JSON
-? spectre
+[1]: http://docs.datomic.com/query.html
+[2]: https://github.com/tonsky/datascript
+[3]: https://en.wikipedia.org/wiki/Relation_(database)
+[4]: https://en.wikipedia.org/wiki/Unification_(computer_science)
+[5]: https://en.wikipedia.org/wiki/JSON
+[6]: https://github.com/nathanmarz/specter
 
 ## License