diff --git a/README.md b/README.md
index f3e4d88..1764878 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
 # ocaml-ppx_bin_prot
 
-....
+Generation of bin_prot readers and writers from types.
 
diff --git a/ocaml-ppx_bin_prot.spec b/ocaml-ppx_bin_prot.spec
index 152aa9c..db77bda 100644
--- a/ocaml-ppx_bin_prot.spec
+++ b/ocaml-ppx_bin_prot.spec
@@ -2,19 +2,17 @@
 
 Name:          ocaml-ppx_bin_prot
 Version:       0.16.0
-Release:       1mamba
-Summary:       ...
+Release:       2mamba
+Summary:       Generation of bin_prot readers and writers from types
 Group:         System/Libraries/OCaml
 Vendor:        openmamba
 Distribution:  openmamba
 Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
-URL:           ...
-## GITSOURCE https://github.com/janestreet/ppx_bin_prot.git v0.16.0
+URL:           https://github.com/janestreet/ppx_bin_prot
 Source:        https://github.com/janestreet/ppx_bin_prot.git/v%{version}/ppx_bin_prot-%{version}.tar.bz2
-License:       ...
+License:       MIT
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
-BuildRequires: ocaml
 BuildRequires: ocaml-base-devel
 BuildRequires: ocaml-compiler-libs
 BuildRequires: ocaml-compiler-libs-repackaged
@@ -73,5 +71,8 @@ rm -rf %{buildroot}/usr/doc
 %{_libdir}/ocaml/%{ocamlpck}/*.mli
 
 %changelog
+* Wed Mar 06 2024 Silvan Calarco <silvan.calarco@mambasoft.it> 0.16.0-2mamba
+- fixed empty URL, Summary and License (closes https://src.openmamba.org/rpms/ocaml-ppx_bin_prot/issues/1 )
+
 * Wed Jul 12 2023 Silvan Calarco <silvan.calarco@mambasoft.it> 0.16.0-1mamba
 - package created using the webbuild interface