1 files changed, 15 insertions, 6 deletions
diff --git a/doc/shields.txt b/doc/shields.txt
index 1bdd98bac..bb521789d 100644
--- a/doc/shields.txt
+++ b/doc/shields.txt
@@ -19,35 +19,44 @@
   :alt: Latest release
   
 .. |SHIELD:code-lic| image:: https://img.shields.io/badge/code%20license-GPLv2-bd0000.svg?style=flat
-  :target: intro/Copyrights.html
+  :target: Licenses.html
   :alt: GNU General Public License 2
 
-.. |SHIELD:doc-lic| image:: https://img.shields.io/badge/doc%20license-CC--BY--SA-aab2ab.svg?style=flat
-  :target: intro/Copyrights.html
-  :alt: Creative Commons Attribution-ShareAlike
+.. |SHIELD:doc-lic| image:: https://img.shields.io/badge/doc%20license-CC--BY--SA--4.0-aab2ab.svg?style=flat
+  :target: Licenses.html
+  :alt: Creative Commons Attribution-ShareAlike 4.0
   
-.. |SHIELD:mailing| image:: https://img.shields.io/badge/mailgnaorgghdl-discuss-ff69b4.svg?style=flat
+.. |SHIELD:mailing| image:: https://img.shields.io/badge/mail.gna.org-ghdl--discuss-ff69b4.svg?style=flat
   :target: https://mail.gna.org/listinfo/ghdl-discuss/
   
 .. |SHIELD:gitter| image:: https://img.shields.io/gitter/room/ghdl1/Lobby.svg?colorB=4cb696
   :target: https://gitter.im/ghdl/ghdl1
   :alt: Talk to us on Gitter
   
-.. |SHIELD:issues-new| image:: https://img.shields.io/badge/tgingold/issues-new-yellow.svg?style=flat 
+.. |SHIELD:issues-new| image:: https://img.shields.io/badge/new-issue-yellowgreen.svg?style=flat 
   :target: https://github.com/tgingold/ghdl/issues/new
+  :alt: Open new issue at GitHub
   
 .. |SHIELD:issues-open| image:: https://img.shields.io/github/issues/tgingold/ghdl.svg 
   :target: https://github.com/tgingold/ghdl/issues
+  :alt: Open issues
   
 .. |SHIELD:issues-closed| image:: https://img.shields.io/github/issues-closed-raw/tgingold/ghdl.svg?style=flat 
   :target: https://github.com/tgingold/ghdl/issues?q=is%3Aissue+is%3Aclosed
+  :alt: Closed issues
   
 .. |SHIELD:issues-pr| image:: https://img.shields.io/github/issues-pr/tgingold/ghdl.svg?style=flat
   :target: https://github.com/tgingold/ghdl/pulls
+  :alt: Open pull requests
   
 .. |SHIELD:issues-pr-closed| image:: https://img.shields.io/github/issues-pr-closed-raw/tgingold/ghdl.svg?style=flat 
   :target: https://github.com/tgingold/ghdl/pulls
+  :alt: Closed pull requests
 
+.. |SHIELD:contributors| image:: https://img.shields.io/github/contributors/tgingold/ghdl.svg?style=flat
+  :target: https://github.com/tgingold/ghdl/graphs/contributors
+  :alt: Contributors
+  
 .. |SHIELD:github| image:: https://img.shields.io/badge/GitHub-tgingold/ghdl-323131.svg?style=flat&logo=data%3Aimage%2Fpng%3Bbase64%2CiVBORw0KGgoAAAANSUhEUgAAACAAAAAgCAMAAABEpIrGAAABKVBMVEX%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FOe9X6AAAAYnRSTlMAAQIDBAcIDA0PEBESFBUWGBkeHyEoMTIzNDU4OTw%2BP0JGWVxeX2BiY2RlZ2hvc3R1eHp%2Bio%2BXm52epKmqq62usLe5wcLDxMnQ0dLW2tvc3t%2Fh4uPo6uvs8fLz9fb3%2Bvv8%2FsuNaVkAAAF7SURBVHgBjdHZW9NAFAXwE0iElCARZCkuIotEUFyQBSJERBEILaAo6d6e%2F%2F%2BPcO58aZslD%2Fxe5mHuPfOdbzA06R1e1sn65aE3ibw5v8OBjj%2BHNHuvx5Tenp1av2bOdSJkKWKBaAmxhYiFogVoEzckw%2BModXcckryZgDigsgLLu1MVT09V1TvPwgqVAyhlinmpMjsCZWRWCsxTlAEEFIvIWKQIALdLsYaMNYqui02KPw4ynN8Um%2FAp1pGzTuEj1Ek2cmz9dogmlVsUuKXSBEUFBaoUoKihQI0iPqaQMxWvnlOsImeV4hz7FBcmMswLin0sU9tBxg61ZYw3qB25SHhyRK0xDuySX179INtfN8qjOvz5u6BNjbsAplvsbVm%2FqAQGFOMb%2B1rTULZJPnsqf%2FMC2kv2bUOYZ%2BR3lLzPr0ehPWbszITmVsn3GCqRWtVFbKZC%2Fvz45tOj1EBlBgPOCUUpOXDiIMF4%2Bzc98G%2FDQNrY1tW9Bc26v%2Fowhof6D6AkqSgsdGGuAAAAAElFTkSuQmCC
   :target: https://www.github.com/tgingold/ghdl
   :alt: Source Code on GitHub