diff --git a/libraries/stdlib/src/kotlin/util/Lazy.kt b/libraries/stdlib/src/kotlin/util/Lazy.kt
index b199c2cb0c9..ce064baa137 100644
--- a/libraries/stdlib/src/kotlin/util/Lazy.kt
+++ b/libraries/stdlib/src/kotlin/util/Lazy.kt
@@ -81,7 +81,7 @@ public fun <T> lazy(lock: Any?, initializer: () -> T): Lazy<T> = SynchronizedLaz
 public inline operator fun <T> Lazy<T>.getValue(thisRef: Any?, property: KProperty<*>): T = value
 
 /**
- * Specifies how a [Lazy] instance synchronizes access among multiple threads.
+ * Specifies how a [Lazy] instance synchronizes initialization among multiple threads.
  */
 public enum class LazyThreadSafetyMode {
 
@@ -92,14 +92,14 @@ public enum class LazyThreadSafetyMode {
 
     /**
      * Initializer function can be called several times on concurrent access to uninitialized [Lazy] instance value,
-     * but only first returned value will be used as the value of [Lazy] instance.
+     * but only the first returned value will be used as the value of [Lazy] instance.
      */
     PUBLICATION,
 
     /**
-     * No locks are used to synchronize the access to the [Lazy] instance value; if the instance is accessed from multiple threads, its behavior is undefined.
+     * No locks are used to synchronize an access to the [Lazy] instance value; if the instance is accessed from multiple threads, its behavior is undefined.
      *
-     * This mode should be used only when high performance is crucial and the [Lazy] instance is guaranteed never to be initialized from more than one thread.
+     * This mode should not be used unless the [Lazy] instance is guaranteed never to be initialized from more than one thread.
      */
     NONE,
 }