diff --git a/Documentation/runtime_configuration.rst b/Documentation/runtime_configuration.rst
index e99ef2fb9561..b4386cd2ef4b 100644
--- a/Documentation/runtime_configuration.rst
+++ b/Documentation/runtime_configuration.rst
@@ -85,8 +85,8 @@ Configuration file example
          skip: 50
          number: 30
 
-List of variables and configuration options
--------------------------------------------
+List of environment variables and configuration options
+-------------------------------------------------------
 
 LIBCAMERA_LOG_FILE
    The custom destination for log output.