diff --git a/docs/configuration.md b/docs/configuration.md
index d4b21781..efa3efd3 100644
--- a/docs/configuration.md
+++ b/docs/configuration.md
@@ -137,6 +137,10 @@ bundled with Part-DB. Set `DATABASE_MYSQL_SSL_VERIFY_CERT` if you want to accept
   time).
   Also specify the default order of the columns. This is a comma separated list of column names. Available columns
   are: `name`, `id`, `ipn`, `description`, `category`, `footprint`, `manufacturer`, `storage_location`, `amount`, `minamount`, `partUnit`, `addedDate`, `lastModified`, `needs_review`, `favorite`, `manufacturing_status`, `manufacturer_product_number`, `mass`, `tags`, `attachments`, `edit`.
+* `TABLE_ASSEMBLIES_DEFAULT_COLUMNS`: The columns in assemblies tables, which are visible by default (when loading table for first
+    time).
+    Also specify the default order of the columns. This is a comma separated list of column names. Available columns
+    are: `name`, `id`, `quantity`, `ipn`, `description`, `category`, `footprint`, `manufacturer`, `mountnames`, `instockAmount`, `storageLocations`, `addedDate`, `lastModified`.
 
 ### History/Eventlog-related settings