diff --git a/04_DenoiSplit/exercise.ipynb b/04_DenoiSplit/exercise.ipynb
index e46c60d..16ec2ae 100644
--- a/04_DenoiSplit/exercise.ipynb
+++ b/04_DenoiSplit/exercise.ipynb
@@ -741,7 +741,7 @@
     "<div class=\"alert alert-block alert-warning\">\n",
     "    <h3>Questions:</h3>\n",
     "    1) When is it relatively easy to split the two structures from the input?<br>\n",
-    "    2) Why can you might see the grid-like artifacts and what can be done to mitigate this?<br>\n",
+    "    2) Why might you see the grid-like artifacts and what can be done to mitigate this?<br>\n",
     "</div>\n"
    ]
   },
@@ -796,7 +796,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "52159fdb",
+   "id": "4d103864",
    "metadata": {},
    "source": [
     "<hr style=\"height:2px;\"><div class=\"alert alert-block alert-success\"><h1>End of the exercise</h1>\n",