diff --git a/web/app/views/users/_download_templates.html.slim b/web/app/views/users/_download_templates.html.slim
index 21d886117..1b5aa7855 100644
--- a/web/app/views/users/_download_templates.html.slim
+++ b/web/app/views/users/_download_templates.html.slim
@@ -13,6 +13,7 @@ script type="text/template" id="client-download-blurb-contents"
       li Dual core processor or higher
       li 75MB hard disk space for app
       li External audio interface recommended (but you can start with built-in mic and & headphone jack)
+      li USB 2.0, USB 3.0, Thunderbolt, or Firewire (not USB 1.1) for external audio interfaces
       li Ethernet port for real-time online sessions (WiFi not recommended)
       li Broadband Internet service with 1Mbps uplink bandwidth for real-time online sessions
     | {% } else if(data.platform == "MacOSX") { %}
@@ -21,6 +22,7 @@ script type="text/template" id="client-download-blurb-contents"
       li Dual-core processor or higher
       li 75MB hard disk space for app
       li External audio interface recommended (but you can start with built-in mic and & headphone jack)
+      li USB 2.0, USB 3.0, Thunderbolt, or Firewire (not USB 1.1) for external audio interfaces
       li Ethernet port for real-time online sessions (WiFi not recommended)
       li Broadband Internet service with 1Mbps uplink bandwidth for real-time online sessions
     | {% } else  { %}