diff --git a/source/_docs/mqtt/broker.markdown b/source/_docs/mqtt/broker.markdown
index 67b0a86d044..f2a2a90eec1 100644
--- a/source/_docs/mqtt/broker.markdown
+++ b/source/_docs/mqtt/broker.markdown
@@ -79,7 +79,7 @@ If you get this error `AttributeError: module 'ssl' has no attribute 'PROTOCOL_T
 </p>
 
 <p class='note'>
-If you are running a mosquitto instance on a different server with proper SSL encryption using a service like letsencrypt you may have to set the certificate to the operating systems own `.crt` certificates file. In the instance of ubuntu this would be `certificate: /etc/ssl/certs/ca-certificates.crt`
+If you are running a Mosquitto instance on a different server with proper SSL encryption using a service like Let's Encrypt you may have to set the certificate to the operating systems own `.crt` certificates file. In the instance of Ubuntu this would be `certificate: /etc/ssl/certs/ca-certificates.crt`
 </p>
 
 ### {% linkable_title Public broker %}