diff --git a/content/experiment-control/resources.md b/content/experiment-control/resources.md
index df0cc46..cdbd2a9 100644
--- a/content/experiment-control/resources.md
+++ b/content/experiment-control/resources.md
@@ -111,7 +111,7 @@ template = "page.html"
 
 **Sinara hardware purchases, ports to your hardware, feature development, technical support, bugfixing**
 
-contact sales@m-***s.hk
+contact sales@m-\*\*\*s.hk
 
 We welcome inquiries from research groups of all sizes.<br><a href="https://github.com/m-labs/artiq/issues?q=is%3Aissue+is%3Aopen+label%3Atype%3Afor-contract" target="_blank" rel="noopener noreferrer">Proposed extensions</a>
 
diff --git a/content/experiment-control/sinara-core.md b/content/experiment-control/sinara-core.md
index 4073906..13b7940 100644
--- a/content/experiment-control/sinara-core.md
+++ b/content/experiment-control/sinara-core.md
@@ -14,7 +14,7 @@ The first ARTIQ core devices used hardware built in-house by physicists (based o
 
 The Sinara hardware is in active development, and the latest information is available <a href="https://github.com/sinara-hw" target="_blank" rel="noopener noreferrer">on the wiki of each project's page</a>. Most of the hardware engineering is done at the <a href="http://www.ise.pw.edu.pl/" target="_blank" rel="noopener noreferrer">Institute for Electronics Systems</a> at the Warsaw University of Technology.
 
-Kasli and EEMs can be ordered now. We can deliver a rack-mountable crate that contains all the cards, is fully tested, and is ready to be connected to your experiment and computer network. Contact sales@m-***s.hk with your requirements and we will establish a quote.
+Kasli and EEMs can be ordered now. We can deliver a rack-mountable crate that contains all the cards, is fully tested, and is ready to be connected to your experiment and computer network. Contact sales@m-\*\*\*s.hk with your requirements and we will establish a quote.
 
 {% end %}
 
@@ -182,7 +182,7 @@ A low-noise clock distribution module that can be used to distribute low jitter
 
 We can deliver a rack-mountable crate that contains all the cards, is fully tested, and is ready to be connected to your experiment and computer network.
 
-Contact sales@m-***s.hk with your requirements and we will establish a quote.
+Contact sales@m-\*\*\*s.hk with your requirements and we will establish a quote.
 
 {% end %}