diff --git a/README.md b/README.md
--- a/README.md
+++ b/README.md
@@ -4,6 +4,8 @@
 
 [Hackage](https://hackage.haskell.org/package/hjsonschema) / [GitHub](https://github.com/seagreen/hjsonschema) / [Travis CI](https://travis-ci.org/seagreen/hjsonschema)
 
+NOTE: You currently CANNOT use untrusted JSON data to make schemas. Schemas with circular references can cause infinite loops. This is being addressed: see the issue list.
+
 # Example
 
 See [Example.hs on GitHub](https://github.com/seagreen/hjsonschema/blob/master/Example.hs).
diff --git a/hjsonschema.cabal b/hjsonschema.cabal
--- a/hjsonschema.cabal
+++ b/hjsonschema.cabal
@@ -1,5 +1,5 @@
 name:                   hjsonschema
-version:                0.8.0.0
+version:                0.8.0.1
 synopsis:               JSON Schema library
 homepage:               https://github.com/seagreen/hjsonschema
 license:                MIT
diff --git a/src/Data/JsonSchema/Core.hs b/src/Data/JsonSchema/Core.hs
--- a/src/Data/JsonSchema/Core.hs
+++ b/src/Data/JsonSchema/Core.hs
@@ -42,7 +42,7 @@
 
 -- | A set of RawSchemas, split into a HashMap.
 --
--- Keys correspond to Schema _rsURIs. Values correspond to Schema _rsObjects.
+-- Keys correspond to Schema _rsURIs. Values correspond to Schema _rsDatas.
 type SchemaCache = HashMap Text (HashMap Text Value)
 
 data SchemaGraph = SchemaGraph