diff --git a/documentation/ref-manual/variables.rst b/documentation/ref-manual/variables.rst
index ae9cbfddf906..95454698f969 100644
--- a/documentation/ref-manual/variables.rst
+++ b/documentation/ref-manual/variables.rst
@@ -8266,7 +8266,7 @@ system and gives an overview of their function and contents.
 
       For example::
 
-         QB_SMP = "-smp 8".
+         QB_SMP = "-smp 8"
 
    :term:`QB_TAP_NAMESERVER`