diff --git a/config.toml b/config.toml
index 023d66c..60bef6f 100644
--- a/config.toml
+++ b/config.toml
@@ -1,7 +1,7 @@
 # This defines the base directory for the feeds. Please use an absolute path.
 base_directory = '/home/<user>/rss'
 
-# Articles older than max_age will be deleted and not be added
+# Articles older than max_age (days) will be deleted and not be added
 max_age = 30
 
 # Feeds