diff --git a/Sources/SafeDI/LazyForwardingInstantiator.swift b/Sources/SafeDI/LazyForwardingInstantiator.swift
index e54587ed..07a0d589 100644
--- a/Sources/SafeDI/LazyForwardingInstantiator.swift
+++ b/Sources/SafeDI/LazyForwardingInstantiator.swift
@@ -22,6 +22,7 @@
 /// `@Forwarded` properties. This class enables instantiation with specific arguments, facilitating
 /// the inheritance of these arguments by `@Instantiable` types that are `@Instantiated` within
 /// the `InstantiableType`, as well as by all types `@Instantiated` downstream.
+/// Instantiation is thread-safe.
 ///
 /// - SeeAlso: `LazyInstantiator`
 /// - Note: This class is the sole means for instantiating an `@Instantiable` type with `@Forwarded`
diff --git a/Sources/SafeDI/LazyInstantiated.swift b/Sources/SafeDI/LazyInstantiated.swift
index f62d3036..ce241187 100644
--- a/Sources/SafeDI/LazyInstantiated.swift
+++ b/Sources/SafeDI/LazyInstantiated.swift
@@ -20,7 +20,7 @@
 
 import Foundation
 
-/// Marks a SafeDI dependency that is instantiated on first access.
+/// Marks a SafeDI dependency that is instantiated on first access. Thread-safe.
 @propertyWrapper public final class LazyInstantiated<InstantiableType> {
 
     // MARK: Initialization
diff --git a/Sources/SafeDI/LazyInstantiator.swift b/Sources/SafeDI/LazyInstantiator.swift
index 301276a3..92a1d052 100644
--- a/Sources/SafeDI/LazyInstantiator.swift
+++ b/Sources/SafeDI/LazyInstantiator.swift
@@ -21,7 +21,7 @@
 /// A SafeDI dependency responsible for the lazy instantiation of an `@Instantiable` type.
 /// This class facilitates the delayed creation of an `@Instantiable` instance, making it particularly
 /// useful in scenarios where immediate instantiation is not necessary or desirable. `LazyInstantiator`
-/// facilitates control over memory usage and enables just-in-time instantiation.
+/// facilitates control over memory usage and enables just-in-time instantiation. Instantiation is thread-safe.
 ///
 /// - SeeAlso: `LazyForwardingInstantiator`
 public final class LazyInstantiator<InstantiableType> {