diff --git a/source/_integrations/fritz.markdown b/source/_integrations/fritz.markdown
index 6b3c0e32ece..d94d7f739fa 100644
--- a/source/_integrations/fritz.markdown
+++ b/source/_integrations/fritz.markdown
@@ -13,7 +13,7 @@ The `fritz` platform offers presence detection by looking at connected devices t
 ## Setup
 
 <div class='note warning'>
-If not running Hass.io it might be necessary to install additional packages: <code>sudo apt-get install python3-lxml libxslt-dev libxml2-dev zlib1g-dev</code>
+If not running Home Assistant via Hass.io or Docker it might be necessary to install additional packages: <code>sudo apt-get install python3-lxml libxslt-dev libxml2-dev zlib1g-dev</code>
 If you installed Home Assistant in a virtualenv, run the following commands inside it: <code>pip3 install lxml</code>; be patient this will take a while.</div>
 
 ## Configuration