diff --git a/src/Tiny_httpd.mli b/src/Tiny_httpd.mli
index 318728a6..f37f18be 100644
--- a/src/Tiny_httpd.mli
+++ b/src/Tiny_httpd.mli
@@ -11,12 +11,14 @@
     features by declaring a few endpoints, including one for uploading files:
 
     {[
+module S = Tiny_httpd
 
 let () =
   let server = S.create () in
   (* say hello *)
   S.add_path_handler ~meth:`GET server
-    "/hello/%s@/" (fun name _req -> S.Response.make_string (Ok ("hello " ^name ^"!\n")));
+    "/hello/%s@/" (fun name _req ->
+        S.Response.make_string (Ok ("hello " ^name ^"!\n")));
   (* echo request *)
   S.add_path_handler server
     "/echo" (fun req -> S.Response.make_string
diff --git a/src/bin/dune b/src/bin/dune
index ab8a97e0..31303a70 100644
--- a/src/bin/dune
+++ b/src/bin/dune
@@ -4,4 +4,4 @@
   (public_name http_of_dir)
   (package tiny_httpd)
   (flags :standard -warn-error -3)
-  (libraries tiny_httpd str))
+  (libraries tiny_httpd))
diff --git a/tiny_httpd.opam b/tiny_httpd.opam
index f4115dfc..4d9d5f5f 100644
--- a/tiny_httpd.opam
+++ b/tiny_httpd.opam
@@ -3,7 +3,7 @@ version: "0.1"
 authors: ["Simon Cruanes"]
 maintainer: "simon.cruanes.2007@m4x.org"
 license: "MIT"
-description: "Minimal HTTP server using good old threads"
+synopsis: "Minimal HTTP server using good old threads"
 build: [
   ["dune" "build" "@install" "-p" name "-j" jobs]
   ["dune" "build" "@doc" "-p" name] {with-doc}
@@ -20,3 +20,4 @@ homepage: "https://github.com/c-cube/tiny_httpd/"
 doc: "https://c-cube.github.io/tiny_httpd/"
 bug-reports: "https://github.com/c-cube/tiny_httpd/issues"
 dev-repo: "git+https://github.com/c-cube/tiny_httpd.git"
+post-messages: "tiny http server, with blocking IOs. Also ships with a `http_of_dir` program."