diff --git a/src/appkit.rs b/src/appkit.rs
index cc73eb8..89429d9 100644
--- a/src/appkit.rs
+++ b/src/appkit.rs
@@ -18,7 +18,7 @@ pub unsafe fn metal_layer_from_ns_view(view: NonNull<c_void>) -> Layer {
     // SAFETY: Caller ensures that the view is valid.
     let obj = unsafe { view.cast::<NSObject>().as_ref() };
 
-    // Check if the view is a CAMetalLayer
+    // Check if the view is a `CAMetalLayer`.
     if obj.is_kind_of::<CAMetalLayer>() {
         // SAFETY: Just checked that the view is a `CAMetalLayer`.
         let layer = unsafe { view.cast::<CAMetalLayer>().as_ref() };
@@ -27,10 +27,10 @@ pub unsafe fn metal_layer_from_ns_view(view: NonNull<c_void>) -> Layer {
             pre_existing: true,
         };
     }
-    // Otherwise assume the view is `NSView`
+    // Otherwise assume the view is `NSView`.
     let view = unsafe { view.cast::<objc2_app_kit::NSView>().as_ref() };
 
-    // Check if the view contains a valid CAMetalLayer
+    // Check if the view contains a valid `CAMetalLayer`.
     let existing = unsafe { view.layer() };
     if let Some(existing) = existing {
         if existing.is_kind_of::<CAMetalLayer>() {
@@ -43,7 +43,7 @@ pub unsafe fn metal_layer_from_ns_view(view: NonNull<c_void>) -> Layer {
         }
     }
 
-    // If the layer was not `CAMetalLayer`, allocate a new one for the view
+    // If the layer was not `CAMetalLayer`, allocate a new one for the view.
     let layer = unsafe { CAMetalLayer::new() };
     unsafe { view.setLayer(Some(&layer)) };
     view.setWantsLayer(true);
diff --git a/src/uikit.rs b/src/uikit.rs
index c1ccdf6..2bc4bf8 100644
--- a/src/uikit.rs
+++ b/src/uikit.rs
@@ -15,12 +15,12 @@ pub unsafe fn metal_layer_from_handle(handle: UiKitWindowHandle) -> Layer {
 
 ///
 pub unsafe fn metal_layer_from_ui_view(view: NonNull<c_void>) -> Layer {
-    // SAFETY: Caller ensures that the view is a UIView
+    // SAFETY: Caller ensures that the view is a `UIView`.
     let view = unsafe { view.cast::<objc2_ui_kit::UIView>().as_ref() };
 
     let main_layer = view.layer();
 
-    // Check if the view's layer is already a CAMetalLayer
+    // Check if the view's layer is already a `CAMetalLayer`.
     let render_layer = if main_layer.is_kind_of::<CAMetalLayer>() {
         // SAFETY: Just checked that the layer is a `CAMetalLayer`.
         let layer = unsafe { Retained::cast::<CAMetalLayer>(main_layer) };
@@ -29,11 +29,11 @@ pub unsafe fn metal_layer_from_ui_view(view: NonNull<c_void>) -> Layer {
             pre_existing: true,
         }
     } else {
-        // If the main layer is not a CAMetalLayer, we create a CAMetalLayer
-        // sublayer and use it instead.
+        // If the main layer is not a `CAMetalLayer`, we create a
+        // `CAMetalLayer` sublayer and use it instead.
         //
-        // Unlike on macOS, we cannot replace the main view as UIView does not
-        // allow it (when NSView does).
+        // Unlike on macOS, we cannot replace the main view as `UIView` does
+        // not allow it (when `NSView` does).
         let layer = unsafe { CAMetalLayer::new() };
 
         let bounds = main_layer.bounds();