a tiny bit of documentation

README.md

@@ -50,6 +50,8 @@ in combination with Lwt/Async). Currently, the modules are:
 - `Bencode`, for the [B-encode format](http://en.wikipedia.org/wiki/Bencode),
 - `Sexp`, for S-expressions.
 
+There is a QuickCheck-like library called `QCheck`.
+
 ## Use
 
 You can either build and install the library (see `Build`), or just copy

qCheck.mli

@@ -26,6 +26,15 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 (** {6 Quickcheck inspired property-based testing} *)
 
+(** Examples:
+
+    - Not all lists are sorted:
+    [QCheck.run ~n:10 ~pp:QCheck.PP.(list int) QCheck.Arbitrary.(list small_int) (fun l -> l = List.sort compare l);;]
+
+    - List.rev is involutive:
+    [QCheck.run ~n:1000 QCheck.Arbitrary.(list alpha) (fun l -> List.rev (List.rev l) = l)]
+*)
+
 (** {2 Description of how to generate arbitrary values for some type} *)
 
 module Arbitrary : sig