diff --git a/crates/fj-core/src/operations/sweep/mod.rs b/crates/fj-core/src/operations/sweep/mod.rs
index bb9241ecc..6c92b59ef 100644
--- a/crates/fj-core/src/operations/sweep/mod.rs
+++ b/crates/fj-core/src/operations/sweep/mod.rs
@@ -1,4 +1,7 @@
-//! Sweeping objects along a path to create new objects
+//! Sweep objects along a path to create new objects
+//!
+//! Sweeps 1D or 2D objects along a straight path, creating a 2D or 3D object,
+//! respectively.
 
 mod face;
 mod half_edge;