diff --git a/src/main.rs b/src/main.rs
index 399a2e17..9aff77f5 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,3 +1,12 @@
+//! This binary is the web-platform server for [SurrealDB](https://surrealdb.com) the
+//! ultimate cloud database for tomorrow's applications. SurrealDB is a scalable,
+//! distributed, collaborative, document-graph database for the realtime web.
+//!
+//! This binary can be used to start a database server instance using an embedded
+//! in-memory datastore, or an embedded datastore persisted to disk. In addition, it
+//! can be used in distributed mode by connecting to a distributed [TiKV](https://tikv.org)
+//! key-value store.
+
 #![forbid(unsafe_code)]
 
 #[macro_use]