diff --git a/android/guava/src/com/google/common/collect/ImmutableSortedMap.java b/android/guava/src/com/google/common/collect/ImmutableSortedMap.java
index 42fcd3076d4d..c248cd0ccc33 100644
--- a/android/guava/src/com/google/common/collect/ImmutableSortedMap.java
+++ b/android/guava/src/com/google/common/collect/ImmutableSortedMap.java
@@ -187,8 +187,8 @@ public static <K, V> ImmutableSortedMap<K, V> copyOf(
   }
 
   /**
-   * Returns an immutable map containing the given entries, with keys sorted by the provided
-   * comparator.
+   * Returns an immutable map containing the given entries, with keys sorted by their natural
+   * ordering.
    *
    * <p>This method is not type-safe, as it may be called on a map with keys that are not mutually
    * comparable.
diff --git a/guava/src/com/google/common/collect/ImmutableSortedMap.java b/guava/src/com/google/common/collect/ImmutableSortedMap.java
index d557f01cb996..04b7cedda991 100644
--- a/guava/src/com/google/common/collect/ImmutableSortedMap.java
+++ b/guava/src/com/google/common/collect/ImmutableSortedMap.java
@@ -232,8 +232,8 @@ public static <K, V> ImmutableSortedMap<K, V> copyOf(
   }
 
   /**
-   * Returns an immutable map containing the given entries, with keys sorted by the provided
-   * comparator.
+   * Returns an immutable map containing the given entries, with keys sorted by their natural
+   * ordering.
    *
    * <p>This method is not type-safe, as it may be called on a map with keys that are not mutually
    * comparable.