diff --git a/docs/getting-started/env-configuration.md b/docs/getting-started/env-configuration.md
index fb081e4..e668e80 100644
--- a/docs/getting-started/env-configuration.md
+++ b/docs/getting-started/env-configuration.md
@@ -1480,6 +1480,12 @@ When enabling `GOOGLE_DRIVE_INTEGRATION`, ensure that you have configured `GOOGL
 - Description: Specifies the client ID for OneDrive integration.
 - Persistence: This environment variable is a `PersistentConfig` variable.
 
+#### `QDRANT_ON_DISK`
+
+- Type: `bool`
+- Default: `False`
+- Description: Enable the usage of memmap(also known as on-disk) storage
+
 ## Web Search
 
 #### `ENABLE_WEB_SEARCH`