diff --git a/docs/configuration/service/https.rst b/docs/configuration/service/https.rst
index 3cd4d5ab..1f1e2aa9 100644
--- a/docs/configuration/service/https.rst
+++ b/docs/configuration/service/https.rst
@@ -61,7 +61,8 @@ Configuration
 
    Use an automatically generated self-signed certificate
 
-.. cfgcmd:: set service https certificates system-generated-certificate lifetime <days>
+.. cfgcmd:: set service https certificates system-generated-certificate
+   lifetime <days>
 
    Lifetime in days; default is 365