diff --git a/contribute.md b/contribute.md
index 386c9bfd..b0b93c0e 100644
--- a/contribute.md
+++ b/contribute.md
@@ -102,12 +102,12 @@ Seed (share) YunoHost images with Torrent system: [live](http://build.yunohost.o
 <span class="glyphicon glyphicon-usd"></span>&nbsp;&nbsp; Donation
 </div>
 <div class="col col-md-8" markdown="1">
-You can now send us Bitcoin at this address: `1PySSS56bxnRzTv4RzYx1aQr9sJeBQwddf`
+You can now send us Bitcoins at the address `1PySSS56bxnRzTv4RzYx1aQr9sJeBQwddf`
 </br>
 <a href="bitcoin:1PySSS56bxnRzTv4RzYx1aQr9sJeBQwddf?label=Yunohost"><img src="https://yunohost.org/images/bitcoin.png" /></a>
 <br>
 <br>
-or use Flattr:  <a href="http://flattr.com/thing/3164470/YunoHost-web-site" target="_blank"><img src="http://api.flattr.com/button/flattr-badge-large.png" alt="Flattr this" title="Flattr this" border="0" /></a>
+or use Flattr:  <a href="http://flattr.com/thing/3164470/YunoHost-web-site" target="_blank"><img src="https://yunohost.org/images/flattr-badge-large.png" alt="Flattr this" title="Flattr this" border="0" /></a>
 </div>
 </div>