diff --git a/docs/index.rst b/docs/index.rst
index 137011b7..6f5e5877 100644
--- a/docs/index.rst
+++ b/docs/index.rst
@@ -94,7 +94,7 @@ This project is divided into several Makefiles, connected by a root Makefile whi
 +-------------+-----+------+------+------+------+
 | :prob:`2`   |  ✔  |   ✔  |   ✔  |   ✔  |   ✔  |
 +-------------+-----+------+------+------+------+
-| :prob:`3`   |  ✔  |      |      |   ✔  |      |
+| :prob:`3`   |  ✔  |      |      |   ✔  |   ⏱  |
 +-------------+-----+------+------+------+------+
 | :prob:`4`   |  ✔  |      |      |   ✔  |      |
 +-------------+-----+------+------+------+------+