diff --git a/docs/core/usage.qmd b/docs/core/usage.qmd
index a788c7c5a..a54d48a6d 100644
--- a/docs/core/usage.qmd
+++ b/docs/core/usage.qmd
@@ -483,7 +483,7 @@ above the maximum level the basin has a surplus and acts as a source, used by al
 The same `LevelDemand` node can be used for Basins in different subnetworks.
 
 Both `min_level` and `max_level` are optional, to be able to handle only the demand or surplus side.
-If both are missing `LevelDemand` won't have any effects on allocation.
+If both are missing, `LevelDemand` won't have any effects on allocation.
 
 column        | type    | unit         | restriction
 ------------- | ------- | ------------ | -----------