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-rw-r--r--src/library/scala/collection/mutable/ListMap.scala2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/library/scala/collection/mutable/ListMap.scala b/src/library/scala/collection/mutable/ListMap.scala
index 2ea5b1fa7c..e963af4a8a 100644
--- a/src/library/scala/collection/mutable/ListMap.scala
+++ b/src/library/scala/collection/mutable/ListMap.scala
@@ -15,7 +15,7 @@ package mutable
import generic._
import annotation.tailrec
-/** A simple mutable map backed by a list.
+/** A simple mutable map backed by a list, so it preserves insertion order.
*
* @tparam A the type of the keys contained in this list map.
* @tparam B the type of the values assigned to keys in this list map.