diff --git a/Sources/SnapshotTesting/AssertSnapshot.swift b/Sources/SnapshotTesting/AssertSnapshot.swift
index a521ca96..8837fd9d 100644
--- a/Sources/SnapshotTesting/AssertSnapshot.swift
+++ b/Sources/SnapshotTesting/AssertSnapshot.swift
@@ -1,6 +1,8 @@
 import XCTest
 
 #if canImport(Testing)
+  // NB: We are importing only the implementation of Testing because that framework is not available
+  //     in Xcode UI test targets.
   @_implementationOnly import Testing
 #endif
 
diff --git a/Sources/SnapshotTesting/Internal/RecordIssue.swift b/Sources/SnapshotTesting/Internal/RecordIssue.swift
index 58c22184..a8dad29b 100644
--- a/Sources/SnapshotTesting/Internal/RecordIssue.swift
+++ b/Sources/SnapshotTesting/Internal/RecordIssue.swift
@@ -1,6 +1,8 @@
 import XCTest
 
 #if canImport(Testing)
+  // NB: We are importing only the implementation of Testing because that framework is not available
+  //     in Xcode UI test targets.
   @_implementationOnly import Testing
 #endif
 
diff --git a/Sources/SnapshotTesting/SnapshotsTestTrait.swift b/Sources/SnapshotTesting/SnapshotsTestTrait.swift
index ab8c1801..95c4b791 100644
--- a/Sources/SnapshotTesting/SnapshotsTestTrait.swift
+++ b/Sources/SnapshotTesting/SnapshotsTestTrait.swift
@@ -1,4 +1,6 @@
 #if canImport(Testing)
+  // NB: We are importing only the implementation of Testing because that framework is not available
+  //     in Xcode UI test targets.
   @_implementationOnly import Testing
 
   @_spi(Experimental)