diff --git a/source/_lovelace/glance.markdown b/source/_lovelace/glance.markdown
index ab3c553bd08..beb4b852641 100644
--- a/source/_lovelace/glance.markdown
+++ b/source/_lovelace/glance.markdown
@@ -42,7 +42,7 @@ show_state:
   default: "true"
 column_width:
   required: false
-  description: "Column width as CSS length like `100px` or `calc(100% / 7)`."
+  description: "Column width as CSS length like `100px` or `calc(100% / 7)`. This controls how many entities appear in a row - at the default 20% you have 5 entities in a row. Use `calc(100% / 7)` for 7 entities in a row, and so on."
   type: string
   default: 20%
 {% endconfiguration %}