Update README.md

actions-user · actions-user · commit 6ec42d52ff45 · 2021-12-20T18:00:37.000Z
diff --git a/2021/README.md b/2021/README.md
@@ -21,7 +21,7 @@
 | [Day 13](Day_13) | `2ms` | :x: |
 | [Day 14](Day_14) | `4ms` | :x: |
 | [Day 15](Day_15) | `420ms` | :x: |
-| [Day 16](Day_16) | :x: | :x: |
+| [Day 16](Day_16) | `3ms` | :x: |
 | [Day 17](Day_17) | :x: | :x: |
 | [Day 18](Day_18) | :x: | :x: |
 | [Day 19](Day_19) | :x: | :x: |
