fix docs

crates/bevy_pbr/src/light/directional_light.rs

@@ -84,8 +84,8 @@ pub struct DirectionalLight {
     /// of that circle, or 8.73e-3 radians.
     ///
     /// This value controls the radius of soft shadow penumbras, as well as
-    /// some volumetric lighting effects. See [`LightShadows`](crate::light::LightShadows)
-    /// for more information on soft shadows.
+    /// some volumetric lighting effects. See [`LightShadows`] for more 
+    /// information on soft shadows.
     ///
     /// Note that this is not the same thing as the *solid angle* (or "angular
     /// area", roughly) that this light covers in the sky. That is a separate