diff --git a/Zotero/Controllers/CommentIconDrawingController.swift b/Zotero/Controllers/CommentIconDrawingController.swift
index 7a1813545..79a65c175 100644
--- a/Zotero/Controllers/CommentIconDrawingController.swift
+++ b/Zotero/Controllers/CommentIconDrawingController.swift
@@ -24,7 +24,7 @@ struct CommentIconDrawingController {
         let newBoundingBox = CGRect(origin: origin, size: size)
 
         context.clip(to: newBoundingBox, mask: colorizedCgImage)
-        color.setFill()
+        color.withAlphaComponent(0.5).setFill()
         context.fill(newBoundingBox)
 
         context.resetClip()
diff --git a/Zotero/Models/AnnotationsConfig.swift b/Zotero/Models/AnnotationsConfig.swift
index e2544a1e0..0b8317b0b 100644
--- a/Zotero/Models/AnnotationsConfig.swift
+++ b/Zotero/Models/AnnotationsConfig.swift
@@ -21,7 +21,7 @@ struct AnnotationsConfig {
     // Line width of image annotation in PDF document.
     static let imageAnnotationLineWidth: CGFloat = 2
     // Size of note annotation in PDF document.
-    static let noteAnnotationSize: CGSize = CGSize(width: 22, height: 22)
+    static let noteAnnotationSize: CGSize = CGSize(width: 16, height: 16)
     static let positionSizeLimit = 65000
     static let supported: PSPDFKit.Annotation.Kind = [.note, .highlight, .square, .ink]
 
diff --git a/Zotero/Scenes/Detail/PDF/Models/NoteAnnotation.swift b/Zotero/Scenes/Detail/PDF/Models/NoteAnnotation.swift
index eaedf08d8..3b2739800 100644
--- a/Zotero/Scenes/Detail/PDF/Models/NoteAnnotation.swift
+++ b/Zotero/Scenes/Detail/PDF/Models/NoteAnnotation.swift
@@ -24,7 +24,7 @@ final class NoteAnnotation: PSPDFKit.NoteAnnotation {
         guard let colorizedCgImage = colorizedImage.cgImage, let outlineCgImage = outlineImage.cgImage, let color = self.color else { return }
 
         context.clip(to: boundingBox, mask: colorizedCgImage)
-        color.setFill()
+        color.withAlphaComponent(0.5).setFill()
         context.fill(boundingBox)
 
         context.resetClip()