diff --git a/USAGE.md b/USAGE.md
index f7be3cc..2819c02 100644
--- a/USAGE.md
+++ b/USAGE.md
@@ -155,7 +155,7 @@ resource = bitser.register(name, resource)
 ```
 
 Registers the value `resource` with the name `name`, which has to be a unique string. Registering static resources like images,
-functions, classes and huge strings, makes sure bitser doesn't attempt to serialize them, but only stores a named
+functions, classes, huge strings and LuaJIT ctypes, makes sure bitser doesn't attempt to serialize them, but only stores a named
 reference to them.
 
 Returns the registered resource as a convenience.
@@ -189,7 +189,7 @@ If not nil, the argument `classkey` should be a string such that
 If not nil, the argument `deserializer` should be a function such that `deserializer(obj, class)` returns a valid
 instance of `class` with the properties of `obj`. `deserializer` is allowed to mutate `obj`.
 
-Returns the registered resource as a convenience.
+Returns the registered class as a convenience.
 
 See also: [`bitser.unregisterClass`](#unregisterclass).
 
diff --git a/bitser.lua b/bitser.lua
index e04c17e..dbbaf8c 100644
--- a/bitser.lua
+++ b/bitser.lua
@@ -14,6 +14,8 @@ ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 ]]
 
+local VERSION = '1.1'
+
 local floor = math.floor
 local pairs = pairs
 local type = type
@@ -469,4 +471,4 @@ end, unregisterClass = function(name)
 	classkey_registry[name] = nil
 	class_deserialize_registry[name] = nil
 	class_registry[name] = nil
-end, reserveBuffer = Buffer_prereserve, clearBuffer = Buffer_clear}
+end, reserveBuffer = Buffer_prereserve, clearBuffer = Buffer_clear, version = VERSION}