diff --git a/contrib/sync_db_pools/codegen/src/lib.rs b/contrib/sync_db_pools/codegen/src/lib.rs
index 44bf2da8..05f8288e 100644
--- a/contrib/sync_db_pools/codegen/src/lib.rs
+++ b/contrib/sync_db_pools/codegen/src/lib.rs
@@ -30,7 +30,7 @@ use proc_macro::TokenStream;
 /// retrieves a connection from the database pool or fails with a
 /// `Status::ServiceUnavailable` if connecting to the database times out.
 ///
-/// The macro also generates two inherent methods on the decorated type:
+/// The macro also generates three inherent methods on the decorated type:
 ///
 ///   * `fn fairing() -> impl Fairing`
 ///
@@ -42,6 +42,12 @@ use proc_macro::TokenStream;
 ///     Retrieves a connection wrapper from the configured pool. Returns `Some`
 ///     as long as `Self::fairing()` has been attached.
 ///
+///   * `async fn run<R: Send + 'static>(&self, impl FnOnce(&mut Db) -> R + Send + 'static) -> R`
+///
+///     Runs the specified function or closure, providing it access to the
+///     underlying database connection (`&mut Db`). Returns the value returned
+///     by the function or closure.
+///
 /// [`FromRequest`]: rocket::request::FromRequest
 #[proc_macro_attribute]
 pub fn database(attr: TokenStream, input: TokenStream) -> TokenStream {
diff --git a/contrib/sync_db_pools/lib/src/lib.rs b/contrib/sync_db_pools/lib/src/lib.rs
index 3764197d..b8d0165e 100644
--- a/contrib/sync_db_pools/lib/src/lib.rs
+++ b/contrib/sync_db_pools/lib/src/lib.rs
@@ -187,7 +187,7 @@
 //! retrieves a connection from the database pool or fails with a
 //! `Status::ServiceUnavailable` if connecting to the database times out.
 //!
-//! The macro also generates two inherent methods on the decorated type:
+//! The macro also generates three inherent methods on the decorated type:
 //!
 //!   * `fn fairing() -> impl Fairing`
 //!
@@ -199,6 +199,12 @@
 //!     Retrieves a connection wrapper from the configured pool. Returns `Some`
 //!     as long as `Self::fairing()` has been attached.
 //!
+//!   * `async fn run<R: Send + 'static>(&self, impl FnOnce(&mut Db) -> R + Send + 'static) -> R`
+//!
+//!     Runs the specified function or closure, providing it access to the
+//!     underlying database connection (`&mut Db`). Returns the value returned
+//!     by the function or closure.
+//!
 //! The attribute can only be applied to unit-like structs with one type. The
 //! internal type of the structure must implement [`Poolable`].
 //!