Update TODO.md

aalhour · aalhour · commit 7384d1cd2a8d · 2016-04-16T14:12:33.000+02:00
diff --git a/TODO.md b/TODO.md
@@ -3,8 +3,7 @@
 ### New Data Structures:
 
  * Skip Lists.
-  * ~~Allows inserting duplicates.~~ Done.
-  * Supports only unique elements.
+  * Supports unique elements mode.
  * Sorted Lists.
  * Self-organizing Lists.
  * Radix Trees.
