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-rw-r--r--src/core/ray.rs1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/core/ray.rs b/src/core/ray.rs
index 54af639..2368315 100644
--- a/src/core/ray.rs
+++ b/src/core/ray.rs
@@ -1,3 +1,4 @@
+//! The ray class used when probing the 3d scene
use crate::core::Vector3f;
pub struct Ray {